伪元素和伪类

<p>&nbsp;</p>
<!-- 布局 -->
<style><!--
body{padding: 0; margin: 0;}

a {
  text-decoration: none;
}

.container > header,
.codrops-top,
.container > section p {
  font-family: 'Lato', Arial, sans-serif;
}

.container > header {
  margin: 0 auto;
  padding: 2em;
  text-align: center;
  color: #89867e;
  min-height: 250px;
  background: rgba(0,0,0,0.05);
}

.container > header h1 {
  font-size: 2.625em;
  line-height: 1.3;
  margin: 0;
  font-weight: 300;
}

.container > header span {
  display: block;
  font-size: 60%;
  color: #ceccc6;
  padding: 0 0 0.6em 0.1em;
}

/* To Navigation Style */
.codrops-top {
  background: #fff;
  background: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  width: 100%;
  font-size: 0.69em;
  line-height: 2.2;
}

.codrops-top a {
  text-decoration: none;
  padding: 0 1em;
  letter-spacing: 0.1em;
  color: #888;
  display: inline-block;
}

.codrops-top a:hover {
  background: rgba(255,255,255,0.95);
  color: #716d62;
}

.codrops-top span.right {
  float: right;
}

.codrops-top span.right a {
  float: left;
  display: block;
}

.codrops-icon:before {
  font-family: 'codropsicons';
  margin: 0 4px;
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}

.codrops-icon-drop:before {
  content: "e001";
}

.codrops-icon-prev:before {
  content: "e004";
}

.container > section {
  margin: 0 auto;
  padding: 10em 3em;
  text-align: center;
}

.color-1 {
  background: #435a6b;
}

.color-2 {
  background: #f39c12;
}

.color-3 {
  background: #2ac56c;
}

.color-4 {
  background: #0e83cd;
}

.color-5 {
  background: #cd4436;
}

.color-6 {
  background: #f19f0f;
}

.color-7 {
  background: #3fa46a;
}

.color-8 {
  background: #ecf0f1;
}

.color-9 {
  background: #9e487f;
}

.color-10 {
  background: #16a085;
}

.color-11 {
  background: #aab7b7;
}

.container > section p {
  color: #fff;
  font-size: 1.3em;
  font-weight: 300;
}

.container > section p a {
  color: #fff;
  font-weight: 700;
}

.container > section p a:hover {
  color: #0c69a4;
}

@media screen and (max- 25em) {

  .codrops-icon span {
    display: none;
  }

}
--></style>
<!-- 效果样式 -->
<style><!--
*,
*:after,
*::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
  font-family: 'Raleway', sans-serif;
}

nav a {
  position: relative;
  display: inline-block;
  margin: 15px 25px;
  outline: none;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 400;
  text-shadow: 0 0 1px rgba(255,255,255,0.3);
  font-size: 1.35em;
}

nav a:hover,
nav a:focus {
  outline: none;
}

/* Effect 1: Brackets */
.cl-effect-1 a::before,
.cl-effect-1 a::after {
  display: inline-block;
  opacity: 0;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.2s;
  -moz-transition: -moz-transform 0.3s, opacity 0.2s;
  transition: transform 0.3s, opacity 0.2s;
}

.cl-effect-1 a::before {
  margin-right: 10px;
  content: '[';
  -webkit-transform: translateX(20px);
  -moz-transform: translateX(20px);
  transform: translateX(20px);
}

.cl-effect-1 a::after {
  margin-left: 10px;
  content: ']';
  -webkit-transform: translateX(-20px);
  -moz-transform: translateX(-20px);
  transform: translateX(-20px);
}

.cl-effect-1 a:hover::before,
.cl-effect-1 a:hover::after,
.cl-effect-1 a:focus::before,
.cl-effect-1 a:focus::after {
  opacity: 1;
  -webkit-transform: translateX(0px);
  -moz-transform: translateX(0px);
  transform: translateX(0px);
}

/* Effect 2: 3D rolling links, idea from http://hakim.se/thoughts/rolling-links */
.cl-effect-2 a {
  line-height: 44px;
  -webkit-perspective: 1000px;
  -moz-perspective: 1000px;
  perspective: 1000px;
}

.cl-effect-2 a span {
  position: relative;
  display: inline-block;
  padding: 0 14px;
  background: #2195de;
  -webkit-transition: -webkit-transform 0.3s;
  -moz-transition: -moz-transform 0.3s;
  transition: transform 0.3s;
  -webkit-transform-origin: 50% 0;
  -moz-transform-origin: 50% 0;
  transform-origin: 50% 0;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

 .cl-effect-2 a span::before {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: #0965a0;
  content: attr(data-hover);
  -webkit-transition: background 0.3s;
  -moz-transition: background 0.3s;
  transition: background 0.3s;
  -webkit-transform: rotateX(-90deg);
  -moz-transform: rotateX(-90deg);
  transform: rotateX(-90deg);
  -webkit-transform-origin: 50% 0;
  -moz-transform-origin: 50% 0;
  transform-origin: 50% 0;
}

.cl-effect-2 a:hover span,
.cl-effect-2 a:focus span {
  -webkit-transform: rotateX(90deg) translateY(-22px);
  -moz-transform: rotateX(90deg) translateY(-22px);
  transform: rotateX(90deg) translateY(-22px);
}

.cl-effect-2 a:hover span::before,
.cl-effect-2 a:focus span::before {
  background: #28a2ee;  
}

/* Effect 3: bottom line slides/fades in */
.cl-effect-3 a {
  padding: 8px 0;
}

.cl-effect-3 a::after {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0,0,0,0.1);
  content: '';
  opacity: 0;
  -webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
  -moz-transition: opacity 0.3s, -moz-transform 0.3s;
  transition: opacity 0.3s, transform 0.3s;
  -webkit-transform: translateY(10px);
  -moz-transform: translateY(10px);
  transform: translateY(10px);
}

.cl-effect-3 a:hover::after,
.cl-effect-3 a:focus::after {
  opacity: 1;
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  transform: translateY(0px);
}

/* Effect 4: bottom border enlarge */
.cl-effect-4 a {
  padding: 0 0 10px;
}

.cl-effect-4 a::after {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 1px;
  background: #fff;
  content: '';
  opacity: 0;
  -webkit-transition: height 0.3s, opacity 0.3s, -webkit-transform 0.3s;
  -moz-transition: height 0.3s, opacity 0.3s, -moz-transform 0.3s;
  transition: height 0.3s, opacity 0.3s, transform 0.3s;
  -webkit-transform: translateY(-10px);
  -moz-transform: translateY(-10px);
  transform: translateY(-10px);
}

.cl-effect-4 a:hover::after,
.cl-effect-4 a:focus::after {
  height: 5px;
  opacity: 1;
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  transform: translateY(0px);
}

/* Effect 5: same word slide in */
.cl-effect-5 a {
  overflow: hidden;
  padding: 0 4px;
  height: 1em;
}

.cl-effect-5 a span {
  position: relative;
  display: inline-block;
  -webkit-transition: -webkit-transform 0.3s;
  -moz-transition: -moz-transform 0.3s;
  transition: transform 0.3s;
}

.cl-effect-5 a span::before {
  position: absolute;
  top: 100%;
  content: attr(data-hover);
  font-weight: 700;
  -webkit-transform: translate3d(0,0,0);
  -moz-transform: translate3d(0,0,0);
  transform: translate3d(0,0,0);
}

.cl-effect-5 a:hover span,
.cl-effect-5 a:focus span {
  -webkit-transform: translateY(-100%);
  -moz-transform: translateY(-100%);
  transform: translateY(-100%);
}

/* Effect 5: same word slide in and border bottom */
.cl-effect-6 a {
  margin: 0 10px;
  padding: 10px 20px;
}

.cl-effect-6 a::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  content: '';
  -webkit-transition: top 0.3s;
  -moz-transition: top 0.3s;
  transition: top 0.3s;
}

.cl-effect-6 a::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  background: #fff;
  content: '';
  -webkit-transition: height 0.3s;
  -moz-transition: height 0.3s;
  transition: height 0.3s;
}

.cl-effect-6 a:hover::before {
  top: 100%;
  opacity: 1;
}

.cl-effect-6 a:hover::after {
  height: 100%;
} 

/* Effect 7: second border slides up */
.cl-effect-7 a {
  padding: 12px 10px 10px;
  color: #566473;
  text-shadow: none;
  font-weight: 700;
}

.cl-effect-7 a::before,
.cl-effect-7 a::after {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 3px;
  background: #566473;
  content: '';
  -webkit-transition: -webkit-transform 0.3s;
  -moz-transition: -moz-transform 0.3s;
  transition: transform 0.3s;
  -webkit-transform: scale(0.85);
  -moz-transform: scale(0.85);
  transform: scale(0.85);
}

.cl-effect-7 a::after {
  opacity: 0;
  -webkit-transition: top 0.3s, opacity 0.3s, -webkit-transform 0.3s;
  -moz-transition: top 0.3s, opacity 0.3s, -moz-transform 0.3s;
  transition: top 0.3s, opacity 0.3s, transform 0.3s;
}

.cl-effect-7 a:hover::before,
.cl-effect-7 a:hover::after,
.cl-effect-7 a:focus::before,
.cl-effect-7 a:focus::after {
  -webkit-transform: scale(1);
  -moz-transform: scale(1);
  transform: scale(1);
}

.cl-effect-7 a:hover::after,
.cl-effect-7 a:focus::after {
  top: 0%;
  opacity: 1;
}

/* Effect 8: border slight translate */
.cl-effect-8 a {
  padding: 10px 20px;
}

.cl-effect-8 a::before,
.cl-effect-8 a::after  {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 3px solid #354856;
  content: '';
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
}

.cl-effect-8 a::after  {
  border-color: #fff;
  opacity: 0;
  -webkit-transform: translateY(-7px) translateX(6px);
  -moz-transform: translateY(-7px) translateX(6px);
  transform: translateY(-7px) translateX(6px);
}

.cl-effect-8 a:hover::before,
.cl-effect-8 a:focus::before {
  opacity: 0;
  -webkit-transform: translateY(5px) translateX(-5px);
  -moz-transform: translateY(5px) translateX(-5px);
  transform: translateY(5px) translateX(-5px);
}

.cl-effect-8 a:hover::after,
.cl-effect-8 a:focus::after  {
  opacity: 1;
  -webkit-transform: translateY(0px) translateX(0px);
  -moz-transform: translateY(0px) translateX(0px);
  transform: translateY(0px) translateX(0px);
}

/* Effect 9: second text and borders */
.cl-effect-9 a {
  margin: 0 20px;
  padding: 18px 20px;
}

.cl-effect-9 a::before,
.cl-effect-9 a::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: #fff;
  content: '';
  opacity: 0.2;
  -webkit-transition: opacity 0.3s, height 0.3s;
  -moz-transition: opacity 0.3s, height 0.3s;
  transition: opacity 0.3s, height 0.3s;
}

.cl-effect-9 a::after {
  top: 100%;
  opacity: 0;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  -webkit-transform: translateY(-10px);
  -moz-transform: translateY(-10px);
  transform: translateY(-10px);
}

.cl-effect-9 a span:first-child {
  z-index: 2;
  display: block;
  font-weight: 300;
}

.cl-effect-9 a span:last-child {
  z-index: 1;
  display: block;
  padding: 8px 0 0 0;
  color: rgba(0,0,0,0.4);
  text-shadow: none;
  text-transform: none;
  font-style: italic;
  font-size: 0.75em;
  font-family: Palatino, "Palatino Linotype", "Palatino LT STD", "Book Antiqua", Georgia, serif;
  opacity: 0;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  -webkit-transform: translateY(-100%);
  -moz-transform: translateY(-100%);
  transform: translateY(-100%);
}

.cl-effect-9 a:hover::before,
.cl-effect-9 a:focus::before {
  height: 6px;
}

.cl-effect-9 a:hover::before,
.cl-effect-9 a:hover::after,
.cl-effect-9 a:focus::before,
.cl-effect-9 a:focus::after {
  opacity: 1;
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  transform: translateY(0px);
}

.cl-effect-9 a:hover span:last-child,
.cl-effect-9 a:focus span:last-child {
  opacity: 1;
  -webkit-transform: translateY(0%);
  -moz-transform: translateY(0%);
  transform: translateY(0%);
}

/* Effect 10: reveal, push out */
.cl-effect-10  {
  position: relative;
  z-index: 1;
}

.cl-effect-10 a {
  overflow: hidden;
  margin: 0 15px;
}

.cl-effect-10 a span {
  display: block;
  padding: 10px 20px;
  background: #0f7c67;
  -webkit-transition: -webkit-transform 0.3s;
  -moz-transition: -moz-transform 0.3s;
  transition: transform 0.3s;
}

.cl-effect-10 a::before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  padding: 10px 20px;
  width: 100%;
  height: 100%;
  background: #fff;
  color: #0f7c67;
  content: attr(data-hover);
  -webkit-transition: -webkit-transform 0.3s;
  -moz-transition: -moz-transform 0.3s;
  transition: transform 0.3s;
  -webkit-transform: translateX(-25%);
}

.cl-effect-10 a:hover span,
.cl-effect-10 a:focus span {
  -webkit-transform: translateX(100%);
  -moz-transform: translateX(100%);
  transform: translateX(100%);
}

.cl-effect-10 a:hover::before,
.cl-effect-10 a:focus::before {
  -webkit-transform: translateX(0%);
  -moz-transform: translateX(0%);
  transform: translateX(0%);
}

/* Effect 11: text fill based on Lea Verou's animation http://dabblet.com/gist/6046779 */
.cl-effect-11 a {
  padding: 10px 0;
  border-top: 2px solid #0972b4;
  color: #0972b4;
  text-shadow: none;
} 

.cl-effect-11 a::before {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  padding: 10px 0;
  max-width: 0;
  border-bottom: 2px solid #fff;
  color: #fff;
  content: attr(data-hover);
  -webkit-transition: max-width 0.5s;
  -moz-transition: max-width 0.5s;
  transition: max-width 0.5s;
}

.cl-effect-11 a:hover::before,
.cl-effect-11 a:focus::before {
  max-width: 100%;
}

/* Effect 12: circle */
.cl-effect-12 a::before,
.cl-effect-12 a::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: 50%;
  content: '';
  opacity: 0;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  -webkit-transform: translateX(-50%) translateY(-50%) scale(0.2);
  -moz-transform: translateX(-50%) translateY(-50%) scale(0.2);
  transform: translateX(-50%) translateY(-50%) scale(0.2);
}

.cl-effect-12 a::after {
  width: 90px;
  height: 90px;
  border-width: 6px;
  -webkit-transform: translateX(-50%) translateY(-50%) scale(0.8);
  -moz-transform: translateX(-50%) translateY(-50%) scale(0.8);
  transform: translateX(-50%) translateY(-50%) scale(0.8);
}

.cl-effect-12 a:hover::before,
.cl-effect-12 a:hover::after,
.cl-effect-12 a:focus::before,
.cl-effect-12 a:focus::after {
  opacity: 1;
  -webkit-transform: translateX(-50%) translateY(-50%) scale(1);
  -moz-transform: translateX(-50%) translateY(-50%) scale(1);
  transform: translateX(-50%) translateY(-50%) scale(1);
}

/* Effect 13: three circles */
.cl-effect-13 a {
  -webkit-transition: color 0.3s;
  -moz-transition: color 0.3s;
  transition: color 0.3s;
}

.cl-effect-13 a::before {
  position: absolute;
  top: 100%;
  left: 50%;
  color: transparent;
  content: '•';
  text-shadow: 0 0 transparent;
  font-size: 1.2em;
  -webkit-transition: text-shadow 0.3s, color 0.3s;
  -moz-transition: text-shadow 0.3s, color 0.3s;
  transition: text-shadow 0.3s, color 0.3s;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  transform: translateX(-50%);
  pointer-events: none;
}

.cl-effect-13 a:hover::before,
.cl-effect-13 a:focus::before {
  color: #fff;
  text-shadow: 10px 0 #fff, -10px 0 #fff;
}

.cl-effect-13 a:hover,
.cl-effect-13 a:focus {
  color: #ba7700;
}

/* Effect 14: border switch */
.cl-effect-14 a {
  padding: 0 20px;
  height: 45px;
  line-height: 45px;
}

.cl-effect-14 a::before,
.cl-effect-14 a::after {
  position: absolute;
  width: 45px;
  height: 2px;
  background: #fff;
  content: '';
  opacity: 0.2;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
  pointer-events: none;
}

.cl-effect-14 a::before {
  top: 0;
  left: 0;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  transform: rotate(90deg);
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  transform-origin: 0 0;
}

.cl-effect-14 a::after {
  right: 0;
  bottom: 0;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  transform: rotate(90deg);
  -webkit-transform-origin: 100% 0;
  -moz-transform-origin: 100% 0;
  transform-origin: 100% 0;
}

.cl-effect-14 a:hover::before,
.cl-effect-14 a:hover::after,
.cl-effect-14 a:focus::before,
.cl-effect-14 a:focus::after {
  opacity: 1;
}

.cl-effect-14 a:hover::before,
.cl-effect-14 a:focus::before {
  left: 50%;
  -webkit-transform: rotate(0deg) translateX(-50%);
  -moz-transform: rotate(0deg) translateX(-50%);
  transform: rotate(0deg) translateX(-50%);
}

.cl-effect-14 a:hover::after,
.cl-effect-14 a:focus::after {
  right: 50%;
  -webkit-transform: rotate(0deg) translateX(50%);
  -moz-transform: rotate(0deg) translateX(50%);
  transform: rotate(0deg) translateX(50%);
}

/* Effect 15: scale down, reveal */
.cl-effect-15 a {
  color: rgba(0,0,0,0.2);
  font-weight: 700;
  text-shadow: none;
}

.cl-effect-15 a::before {
  color: #fff;
  content: attr(data-hover);
  position: absolute;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
}

.cl-effect-15 a:hover::before,
.cl-effect-15 a:focus::before {
  -webkit-transform: scale(0.9);
  -moz-transform: scale(0.9);
  transform: scale(0.9);
  opacity: 0;
}

/* Effect 16: fall down */
.cl-effect-16 a {
  color: #6f8686;
  text-shadow: 0 0 1px rgba(111,134,134,0.3);
}

.cl-effect-16 a::before {
  color: #fff;
  content: attr(data-hover);
  position: absolute;
  opacity: 0;
  text-shadow: 0 0 1px rgba(255,255,255,0.3);
  -webkit-transform: scale(1.1) translateX(10px) translateY(-10px) rotate(4deg);
  -moz-transform: scale(1.1) translateX(10px) translateY(-10px) rotate(4deg);
  transform: scale(1.1) translateX(10px) translateY(-10px) rotate(4deg);
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}

.cl-effect-16 a:hover::before,
.cl-effect-16 a:focus::before {
  -webkit-transform: scale(1) translateX(0px) translateY(0px) rotate(0deg);
  -moz-transform: scale(1) translateX(0px) translateY(0px) rotate(0deg);
  transform: scale(1) translateX(0px) translateY(0px) rotate(0deg);
  opacity: 1;
}

/* Effect 17: move up fade out, push border */
.cl-effect-17 a {
  color: #10649b;
  text-shadow: none;
  padding: 10px 0;
}

.cl-effect-17 a::before {
  color: #fff;
  text-shadow: 0 0 1px rgba(255,255,255,0.3);
  content: attr(data-hover);
  position: absolute;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}

.cl-effect-17 a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  opacity: 0;
  -webkit-transform: translateY(5px);
  -moz-transform: translateY(5px);
  transform: translateY(5px);
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}

.cl-effect-17 a:hover::before,
.cl-effect-17 a:focus::before {
  opacity: 0;
  -webkit-transform: translateY(-2px);
  -moz-transform: translateY(-2px);
  transform: translateY(-2px);
}

.cl-effect-17 a:hover::after,
.cl-effect-17 a:focus::after {
  opacity: 1;
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  transform: translateY(0px);
}

/* Effect 18: cross */
.cl-effect-18 {
  position: relative;
  z-index: 1;
}

.cl-effect-18 a {
  padding: 0 5px;
  color: #b4770d;
  font-weight: 700;
  -webkit-transition: color 0.3s;
  -moz-transition: color 0.3s;
  transition: color 0.3s;
}

.cl-effect-18 a::before,
.cl-effect-18 a::after {
  position: absolute;
  width: 100%;
  left: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: #b4770d;
  content: '';
  z-index: -1;
  -webkit-transition: -webkit-transform 0.3s, opacity 0.3s;
  -moz-transition: -moz-transform 0.3s, opacity 0.3s;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}

.cl-effect-18 a::before {
  -webkit-transform: translateY(-20px);
  -moz-transform: translateY(-20px);
  transform: translateY(-20px);
}

.cl-effect-18 a::after {
  -webkit-transform: translateY(20px);
  -moz-transform: translateY(20px);
  transform: translateY(20px);
}

.cl-effect-18 a:hover,
.cl-effect-18 a:focus {
  color: #fff;
}

.cl-effect-18 a:hover::before,
.cl-effect-18 a:hover::after,
.cl-effect-18 a:focus::before,
.cl-effect-18 a:focus::after {
  opacity: 0.7;
}

.cl-effect-18 a:hover::before,
.cl-effect-18 a:focus::before {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.cl-effect-18 a:hover::after,
.cl-effect-18 a:focus::after {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

/* Effect 19: 3D side */
.cl-effect-19 a {
  line-height: 2em;
  margin: 15px;
  -webkit-perspective: 800px;
  -moz-perspective: 800px;
  perspective: 800px;
  width: 200px;
}

.cl-effect-19 a span {
  position: relative;
  display: inline-block;
  width: 100%;
  padding: 0 14px;
  background: #e35041;
  -webkit-transition: -webkit-transform 0.4s, background 0.4s;
  -moz-transition: -moz-transform 0.4s, background 0.4s;
  transition: transform 0.4s, background 0.4s;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform-origin: 50% 50% -100px;
  -moz-transform-origin: 50% 50% -100px;
  transform-origin: 50% 50% -100px;
}

.cl-effect-19 a span::before {
  position: absolute;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100%;
  background: #b53a2d;
  content: attr(data-hover);
  -webkit-transition: background 0.4s;
  -moz-transition: background 0.4s;
  transition: background 0.4s;
  -webkit-transform: rotateY(90deg);
  -moz-transform: rotateY(90deg);
  transform: rotateY(90deg);
  -webkit-transform-origin: 0 50%;
  -moz-transform-origin: 0 50%;
  transform-origin: 0 50%;
  pointer-events: none;
}

.cl-effect-19 a:hover span,
.cl-effect-19 a:focus span {
  background: #b53a2d;
  -webkit-transform: rotateY(-90deg);
  -moz-transform: rotateY(-90deg);
  transform: rotateY(-90deg);
}

.cl-effect-19 a:hover span::before,
.cl-effect-19 a:focus span::before {
  background: #ef5e50;  
}

/* Effect 20: 3D side */
.cl-effect-20 a {
  line-height: 2em;
  -webkit-perspective: 800px;
  -moz-perspective: 800px;
  perspective: 800px;
}

.cl-effect-20 a span {
  position: relative;
  display: inline-block;
  padding: 3px 15px 0;
  background: #587285;
  box-shadow: inset 0 3px #2f4351;
  -webkit-transition: background 0.6s;
  -moz-transition: background 0.6s;
  transition: background 0.6s;
  -webkit-transform-origin: 50% 0;
  -moz-transform-origin: 50% 0;
  transform-origin: 50% 0;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transform-origin: 0% 50%;
  -moz-transform-origin: 0% 50%;
  transform-origin: 0% 50%;
}

.cl-effect-20 a span::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  color: #2f4351;
  content: attr(data-hover);
  -webkit-transform: rotateX(270deg);
  -moz-transform: rotateX(270deg);
  transform: rotateX(270deg);
  -webkit-transition: -webkit-transform 0.6s;
  -moz-transition: -moz-transform 0.6s;
  transition: transform 0.6s;
  -webkit-transform-origin: 0 0;
  -moz-transform-origin: 0 0;
  transform-origin: 0 0;
  pointer-events: none;
}

.cl-effect-20 a:hover span,
.cl-effect-20 a:focus span {
  background: #2f4351;
}

.cl-effect-20 a:hover span::before,
.cl-effect-20 a:focus span::before {
  -webkit-transform: rotateX(10deg);  
  -moz-transform: rotateX(10deg);
  transform: rotateX(10deg);
}

/* Effect 21: borders slight translate */
.cl-effect-21 a {
  padding: 10px;
  color: #237546;
  font-weight: 700;
  text-shadow: none;
  -webkit-transition: color 0.3s;
  -moz-transition: color 0.3s;
  transition: color 0.3s;
}

.cl-effect-21 a::before,
.cl-effect-21 a::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  content: '';
  opacity: 0;
  -webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
  -moz-transition: opacity 0.3s, -moz-transform 0.3s;
  transition: opacity 0.3s, transform 0.3s;
  -webkit-transform: translateY(-10px);
  -moz-transform: translateY(-10px);
  transform: translateY(-10px);
}

.cl-effect-21 a::before {
  top: 0;
  -webkit-transform: translateY(-10px);
  -moz-transform: translateY(-10px);
  transform: translateY(-10px);
}

.cl-effect-21 a::after {
  bottom: 0;
  -webkit-transform: translateY(10px);
  -moz-transform: translateY(10px);
  transform: translateY(10px);
}

.cl-effect-21 a:hover,
.cl-effect-21 a:focus {
  color: #fff;
}

.cl-effect-21 a:hover::before,
.cl-effect-21 a:focus::before,
.cl-effect-21 a:hover::after,
.cl-effect-21 a:focus::after {
  opacity: 1;
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  transform: translateY(0px);
}
--></style>
<div class="container"><!-- Top Navigation -->
<div class="codrops-top clearfix"><a class="codrops-icon codrops-icon-prev" href="http://tympanus.net/Development/3DEffectMobileShowcase/"><span>Previous Demo</span></a> <span class="right"><a class="codrops-icon codrops-icon-drop" href="http://tympanus.net/codrops/?p=16182"><span>Back to the Codrops Article</span></a></span></div>
<h1>Creative Link Effects <span>Subtle and modern effects for links or menu items</span></h1>
<p>Please note that not every browser supports transitions on pseudo elements.</p>
<a href="#cl-effect-1">Wafture</a> <a href="#cl-effect-1">Sumptuous</a> <a href="#cl-effect-1">Scintilla</a> <a href="#cl-effect-1">Propinquity</a> <a href="#cl-effect-1">Harbinger</a> <a href="#cl-effect-2"><span data-hover="Ratatouille">Ratatouille</span></a> <a href="#cl-effect-2"><span data-hover="Lassitude">Lassitude</span></a> <a href="#cl-effect-2"><span data-hover="Murmurous">Murmurous</span></a> <a href="#cl-effect-2"><span data-hover="Palimpsest">Palimpsest</span></a> <a href="#cl-effect-2"><span data-hover="Assemblage">Assemblage</span></a> <a href="#cl-effect-3">Palimpsest</a> <a href="#cl-effect-3">Ineffable</a> <a href="#cl-effect-3">Lilt</a> <a href="#cl-effect-3">Mellifluous</a> <a href="#cl-effect-3">Serendipity</a> <a href="#cl-effect-4">Woebegone</a> <a href="#cl-effect-4">Lassitude</a> <a href="#cl-effect-4">Murmurous</a> <a href="#cl-effect-4">Palimpsest</a> <a href="#cl-effect-4">Assemblage</a> <a href="#cl-effect-5"><span data-hover="Seraglio">Seraglio</span></a> <a href="#cl-effect-5"><span data-hover="Sumptuous">Sumptuous</span></a> <a href="#cl-effect-5"><span data-hover="Scintilla">Scintilla</span></a> <a href="#cl-effect-5"><span data-hover="Palimpsest">Palimpsest</span></a> <a href="#cl-effect-5"><span data-hover="Assemblage">Assemblage</span></a> <a href="#cl-effect-6">Umbrella</a> <a href="#cl-effect-6">Ineffable</a> <a href="#cl-effect-6">Lilt</a> <a href="#cl-effect-6">Mellifluous</a> <a href="#cl-effect-6">Serendipity</a> <a href="#cl-effect-7">Languor</a> <a href="#cl-effect-7">Lassitude</a> <a href="#cl-effect-7">Murmurous</a> <a href="#cl-effect-7">Palimpsest</a> <a href="#cl-effect-7">Assemblage</a> <a href="#cl-effect-8">Imbue</a> <a href="#cl-effect-8">Sumptuous</a> <a href="#cl-effect-8">Scintilla</a> <a href="#cl-effect-8">Propinquity</a> <a href="#cl-effect-8">Harbinger</a> <a href="#cl-effect-9"><span>Gossamer</span><span>Sumptuous Heart</span></a> <a href="#cl-effect-9"><span>Ineffable</span><span>Evanescent Life</span></a> <a href="#cl-effect-9"><span>Chatoyant</span><span>Assemblage Love</span></a> <a href="#cl-effect-9"><span>Mellifluous</span><span>Mellifluous Will</span></a> <a href="#cl-effect-9"><span>Serendipity</span><span>Serendipity Cut</span></a> <a href="#cl-effect-10" data-hover="Seraglio"><span>Seraglio</span></a> <a href="#cl-effect-10" data-hover="Sumptuous"><span>Sumptuous</span></a> <a href="#cl-effect-10" data-hover="Scintilla"><span>Scintilla</span></a> <a href="#cl-effect-10" data-hover="Palimpsest"><span>Palimpsest</span></a> <a href="#cl-effect-10" data-hover="Assemblage"><span>Assemblage</span></a> <a href="#cl-effect-11" data-hover="Desultory">Desultory</a> <a href="#cl-effect-11" data-hover="Sumptuous">Sumptuous</a> <a href="#cl-effect-11" data-hover="Scintilla">Scintilla</a> <a href="#cl-effect-11" data-hover="Propinquity">Propinquity</a> <a href="#cl-effect-11" data-hover="Harbinger">Harbinger</a> <a href="#cl-effect-12">Chatoyant</a> <a href="#cl-effect-12">Ineffable</a> <a href="#cl-effect-12">Efficiency</a> <a href="#cl-effect-12">Mellifluous</a> <a href="#cl-effect-12">Serendipity</a> <a href="#cl-effect-13">Beleaguer</a> <a href="#cl-effect-13">Lassitude</a> <a href="#cl-effect-13">Murmurous</a> <a href="#cl-effect-13">Palimpsest</a> <a href="#cl-effect-13">Assemblage</a> <a href="#cl-effect-14">Ailurophile</a> <a href="#cl-effect-14">Sumptuous</a> <a href="#cl-effect-14">Scintilla</a> <a href="#cl-effect-14">Propinquity</a> <a href="#cl-effect-14">Harbinger</a> <a href="#cl-effect-15" data-hover="Desultory">Desultory</a> <a href="#cl-effect-15" data-hover="Sumptuous">Sumptuous</a> <a href="#cl-effect-15" data-hover="Scintilla">Scintilla</a> <a href="#cl-effect-15" data-hover="Propinquity">Propinquity</a> <a href="#cl-effect-15" data-hover="Harbinger">Harbinger</a> <a href="#cl-effect-16" data-hover="Languor">Languor</a> <a href="#cl-effect-16" data-hover="Murmurous">Murmurous</a> <a href="#cl-effect-16" data-hover="Lassitude">Lassitude</a> <a href="#cl-effect-16" data-hover="Chatoyant">Chatoyant</a> <a href="#cl-effect-16" data-hover="Palimpsest">Palimpsest</a> <a href="#cl-effect-17" data-hover="Languor">Languor</a> <a href="#cl-effect-17" data-hover="Murmurous">Murmurous</a> <a href="#cl-effect-17" data-hover="Lassitude">Lassitude</a> <a href="#cl-effect-17" data-hover="Chatoyant">Chatoyant</a> <a href="#cl-effect-17" data-hover="Palimpsest">Palimpsest</a> <a href="#cl-effect-18" data-hover="Desultory">Desultory</a> <a href="#cl-effect-18" data-hover="Sumptuous">Sumptuous</a> <a href="#cl-effect-18" data-hover="Scintilla">Scintilla</a> <a href="#cl-effect-18" data-hover="Propinquity">Propinquity</a> <a href="#cl-effect-18" data-hover="Harbinger">Harbinger</a> <a href="#cl-effect-19"><span data-hover="Ratatouille">Ratatouille</span></a> <a href="#cl-effect-19"><span data-hover="Lassitude">Lassitude</span></a> <a href="#cl-effect-19"><span data-hover="Murmurous">Murmurous</span></a> <a href="#cl-effect-19"><span data-hover="Palimpsest">Palimpsest</span></a> <a href="#cl-effect-19"><span data-hover="Assemblage">Assemblage</span></a> <a href="#cl-effect-20"><span data-hover="Beleaguer">Beleaguer</span></a> <a href="#cl-effect-20"><span data-hover="Scintilla">Scintilla</span></a> <a href="#cl-effect-20"><span data-hover="Chatoyant">Chatoyant</span></a> <a href="#cl-effect-20"><span data-hover="Palimpsest">Palimpsest</span></a> <a href="#cl-effect-20"><span data-hover="Languor">Languor</span></a> <a href="#cl-effect-21">Chatoyant</a> <a href="#cl-effect-21">Ineffable</a> <a href="#cl-effect-21">Efficiency</a> <a href="#cl-effect-21">Mellifluous</a> <a href="#cl-effect-21">Serendipity</a>
<p>If you enjoyed these effects you might also like:</p>
<p><a href="http://tympanus.net/Development/CreativeButtons/">Creative Button Styles</a></p>
<p><a href="http://tympanus.net/Development/IconHoverEffects/">Simple Icon Hover Effects</a></p>
</div>