直角：border-color：transparent，这个不能忘掉，否则是方框，不是尖角
border-10 0 0 20;左上尖角
border-10 20 0 0;右上尖角
border-0 0 10px 20px;左下尖角
border-0 20px 10px 0;右下尖角
border-10 20;左上和左下尖角，中间凹进去
border-20px 20px 0;bottom:-20px; 上下安置尖角朝下
<title>CSS3圆角气泡框，评论对话框</title>
<style>
body {
padding:0;
margin:0;
font:1em/1.4 Cambria, Georgia, sans-serif;
color:#333;
background:#fff;
}
a:link,
a:visited {
border-bottom:1px solid #c55500;
text-decoration:none;
color:#c55500;
}
a:visited {
border-bottom:1px solid #730800;
color:#730800;
}
a:hover,
a:focus,
a:active {
border:0;
color:#fff;
background:#c55500;
}
a:visited:hover,
a:visited:focus,
a:visited:active {
color:#fff;
background:#730800;
}
#container {
500px;
padding:0 0 50px;
margin:0 auto;
}
h1 {
margin:1em 0 0;
font-size:2.5em;
font-weight:normal;
line-height:1.2;
text-align:center;
}
h2 {
margin:0.5em 0 1.5em;
font-size:1.25em;
font-weight:normal;
font-style:italic;
text-align:center;
}
p {
margin:1em 0;
}
.content h2 {
margin:2em 0 0.75em;
font-size:2em;
font-weight:bold;
font-style:normal;
text-align:left;
}
blockquote {
margin:1em 0;
}
blockquote p {
margin:0;
font-size:2em;
}
.follow {
clear:both;
margin-top:2em;
font-size:1.125em;
}
.follow span {
font-weight:bold;
}
.content {
position:relative;
z-index:1;
}
.triangle-isosceles {
position:relative;
padding:15px;
margin:1em 0 3em;
color:#000;
background:#f3961c; /* default background for browsers without gradient support */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#f9d835), to(#f3961c));
background:-moz-linear-gradient(#f9d835, #f3961c);
background:-o-linear-gradient(#f9d835, #f3961c);
background:linear-gradient(#f9d835, #f3961c);
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.triangle-isosceles.top {
background:-webkit-gradient(linear, 0 0, 0 100%, from(#f3961c), to(#f9d835));
background:-moz-linear-gradient(#f3961c, #f9d835);
background:-o-linear-gradient(#f3961c, #f9d835);
background:linear-gradient(#f3961c, #f9d835);
}
.triangle-isosceles.left {
margin-left:50px;
background:#f3961c;
}
.triangle-isosceles.right {
margin-right:50px;
background:#f3961c;
}
.triangle-isosceles:after {
content:"";
position:absolute;
bottom:-15px;
left:50px;
border-15px 15px 0;
border-style:solid;
border-color:#f3961c transparent;
display:block;
0;
}
.triangle-isosceles.top:after {
top:-15px;
right:50px;
bottom:auto;
left:auto;
border-0 15px 15px;
border-color:#f3961c transparent;
}
.triangle-isosceles.left:after {
top:16px;
left:-50px;
bottom:auto;
border-10px 50px 10px 0;
border-color:transparent #f3961c;
}
.triangle-isosceles.right:after {
top:16px; /* controls vertical position */
right:-50px;
bottom:auto;
left:auto;
border-10px 0 10px 50px;
border-color:transparent #f3961c;
}
.triangle-right {
position:relative;
padding:15px;
margin:1em 0 3em;
color:#fff;
background:#075698;
/* css3 */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#2e88c4), to(#075698));
background:-moz-linear-gradient(#2e88c4, #075698);
background:-o-linear-gradient(#2e88c4, #075698);
background:linear-gradient(#2e88c4, #075698);
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.triangle-right.top {
background:-webkit-gradient(linear, 0 0, 0 100%, from(#075698), to(#2e88c4));
background:-moz-linear-gradient(#075698, #2e88c4);
background:-o-linear-gradient(#075698, #2e88c4);
background:linear-gradient(#075698, #2e88c4);
}
.triangle-right.left {
margin-left:40px;
background:#075698;
}
.triangle-right.right {
margin-right:40px;
background:#075698;
}
.triangle-right:after {
content:"";
position:absolute;
bottom:-20px; /* value = - border-top-width - border-bottom-width */
left:50px; /* controls horizontal position */
border-20px 0 0 20px; /* vary these values to change the angle of the vertex */
border-style:solid;
border-color:#075698 transparent;
display:block;
0;
}
.triangle-right.top:after {
top:-20px; /* value = - border-top-width - border-bottom-width */
right:50px; /* controls horizontal position */
bottom:auto;
left:auto;
border-20px 20px 0 0; /* vary these values to change the angle of the vertex */
border-color:transparent #075698;
}
.triangle-right.left:after {
top:16px;
left:-40px; /* value = - border-left-width - border-right-width */
bottom:auto;
border-15px 40px 0 0; /* vary these values to change the angle of the vertex */
border-color:transparent #075698;
}
.triangle-right.right:after {
top:16px;
right:-40px; /* value = - border-left-width - border-right-width */
bottom:auto;
left:auto;
border-15px 0 0 40px; /* vary these values to change the angle of the vertex */
border-color:transparent #075698 ;
}
.triangle-obtuse {
position:relative;
padding:15px;
margin:1em 0 3em;
color:#fff;
background:#c81e2b;
/* css3 */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#f04349), to(#c81e2b));
background:-moz-linear-gradient(#f04349, #c81e2b);
background:-o-linear-gradient(#f04349, #c81e2b);
background:linear-gradient(#f04349, #c81e2b);
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.triangle-obtuse.top {
background:-webkit-gradient(linear, 0 0, 0 100%, from(#c81e2b), to(#f04349));
background:-moz-linear-gradient(#c81e2b, #f04349);
background:-o-linear-gradient(#c81e2b, #f04349);
background:linear-gradient(#c81e2b, #f04349);
}
.triangle-obtuse.left {
margin-left:50px;
background:#c81e2b;
}
.triangle-obtuse.right {
margin-right:50px;
background:#c81e2b;
}
.triangle-obtuse:before {
content:"";
position:absolute;
bottom:-20px; /* value = - border-top-width - border-bottom-width */
left:60px; /* controls horizontal position */
border:0;
border-right-30px; /* vary this value to change the angle of the vertex */
border-bottom-20px; /* vary this value to change the height of the triangle. must be equal to the corresponding value in :after */
border-style:solid;
border-color:transparent #c81e2b;
/* reduce the damage in FF3.0 */
display:block;
0;
}
.triangle-obtuse:after {
content:"";
position:absolute;
bottom:-20px; /* value = - border-top-width - border-bottom-width */
left:80px; /* value = (:before's left) + (:before's border-right/left-width) - (:after's border-right/left-width) */
border:0;
border-right-10px; /* vary this value to change the angle of the vertex */
border-bottom-20px; /* vary this value to change the height of the triangle. must be equal to the corresponding value in :before */
border-style:solid;
border-color:transparent #fff;
/* reduce the damage in FF3.0 */
display:block;
0;
}
.triangle-obtuse.top:before {
top:-20px; /* value = - border-top-width - border-bottom-width */
bottom:auto;
left:auto;
right:60px; /* controls horizontal position */
border:0;
border-left-30px; /* vary this value to change the width of the triangle */
border-top-20px;
border-color:transparent #c81e2b;
}
.triangle-obtuse.top:after {
top:-20px; /* value = - border-top-width - border-bottom-width */
bottom:auto;
left:auto;
right:80px; /* value = (:before's right) + (:before's border-right/left-width) - (:after's border-right/left-width) */
border-0;
border-left-10px;
border-top-20px;
border-color:transparent #fff;
}
.triangle-obtuse.left:before {
top:15px; /* controls vertical position */
bottom:auto;
left:-50px;
border:0;
border-bottom-30px;
border-left-50px;
border-color:#c81e2b transparent;
}
.triangle-obtuse.left:after {
top:35px;
bottom:auto;
left:-50px;
border:0;
border-bottom-10px;
border-left-50px;
border-color:#fff transparent;
}
.triangle-obtuse.right:before {
top:15px;
bottom:auto;
left:auto;
right:-50px;
border:0;
border-bottom-30px; /* vary this value to change the height of the triangle */
border-right-50px;
border-color:#c81e2b transparent;
}
.triangle-obtuse.right:after {
top:35px;
bottom:auto;
right:-50px; /* value = - border-left-width - border-right-width */
left:auto;
border:0;
border-bottom-10px; /* vary this value to change the height of the triangle */
border-right-50px;
border-color:#fff transparent;
}
.triangle-border {
position:relative;
padding:15px;
margin:1em 0 3em;
border:5px solid #5a8f00;
color:#333;
background:#fff;
/* css3 */
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.triangle-border.left {
margin-left:30px;
}
.triangle-border.right {
margin-right:30px;
}
.triangle-border:before {
content:"";
position:absolute;
bottom:-20px; /* value = - border-top-width - border-bottom-width */
left:40px; /* controls horizontal position */
border-20px 20px 0;
border-style:solid;
border-color:#5a8f00 transparent;
display:block;
0;
}
/* creates the smaller triangle */
.triangle-border:after {
content:"";
position:absolute;
bottom:-13px; /* value = - border-top-width - border-bottom-width */
left:47px;
border-13px 13px 0;
border-style:solid;
border-color:#fff transparent;
display:block;
0;
}
.triangle-border.top:before {
top:-20px; /* value = - border-top-width - border-bottom-width */
bottom:auto;
left:auto;
right:40px; /* controls horizontal position */
border-0 20px 20px;
}
/* creates the smaller triangle */
.triangle-border.top:after {
top:-13px; /* value = - border-top-width - border-bottom-width */
bottom:auto;
left:auto;
right:47px; /* value = (:before right) + (:before border-right) - (:after border-right) */
border-0 13px 13px;
}
.triangle-border.left:before {
top:10px; /* controls vertical position */
bottom:auto;
left:-30px; /* value = - border-left-width - border-right-width */
border-15px 30px 15px 0;
border-color:transparent #5a8f00;
}
/* creates the smaller triangle */
.triangle-border.left:after {
top:16px; /* value = (:before top) + (:before border-top) - (:after border-top) */
bottom:auto;
left:-21px; /* value = - border-left-width - border-right-width */
border-9px 21px 9px 0;
border-color:transparent #fff;
}
/* creates the larger triangle */
.triangle-border.right:before {
top:10px; /* controls vertical position */
bottom:auto;
left:auto;
right:-30px; /* value = - border-left-width - border-right-width */
border-15px 0 15px 30px;
border-color:transparent #5a8f00;
}
/* creates the smaller triangle */
.triangle-border.right:after {
top:16px; /* value = (:before top) + (:before border-top) - (:after border-top) */
bottom:auto;
left:auto;
right:-21px; /* value = - border-left-width - border-right-width */
border-9px 0 9px 21px;
border-color:transparent #fff;
}
.example-commentheading:before {
content:"";
position:absolute;
top:9px;
left:-25px;
15px;
height:10px;
background:#b513af;
/* css3 */
-webkit-border-radius:3px;
-moz-border-radius:3px;
border-radius:3px;
}
/* creates the triangle */
.example-commentheading:after {
content:"";
position:absolute;
top:15px;
left:-19px;
border:4px solid transparent;
border-left-color:#b513af;
/* reduce the damage in FF3.0 */
display:block;
0;
}
.example-right {
position:relative;
padding:15px 30px;
margin:0;
color:#fff;
background:#5a8f00; /* default background for browsers without gradient support */
/* css3 */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#b8db29), to(#5a8f00));
background:-moz-linear-gradient(#b8db29, #5a8f00);
background:-o-linear-gradient(#b8db29, #5a8f00);
background:linear-gradient(#b8db29, #5a8f00);
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.example-right + p {margin:15px 0 2em 85px; font-style:italic;}
.example-right:after {
content:"";
position:absolute;
bottom:-50px;
left:50px;
border-0 20px 50px 0px;
border-style:solid;
border-color:transparent #5a8f00;
/* reduce the damage in FF3.0 */
display:block;
0;
}
.example-obtuse {
position:relative;
padding:15px 30px;
margin:0;
color:#000;
background:#f3961c; /* default background for browsers without gradient support */
/* css3 */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#f9d835), to(#f3961c));
background:-moz-linear-gradient(#f9d835, #f3961c);
background:-o-linear-gradient(#f9d835, #f3961c);
background:linear-gradient(#f9d835, #f3961c);
/* Using longhand to avoid inconsistencies between Safari 4 and Chrome 4 */
-webkit-border-top-left-radius:25px 50px;
-webkit-border-top-right-radius:25px 50px;
-webkit-border-bottom-right-radius:25px 50px;
-webkit-border-bottom-left-radius:25px 50px;
-moz-border-radius:25px / 50px;
border-radius:25px / 50px;
}
.example-obtuse + p {margin:10px 150px 2em 0; text-align:right; font-style:italic;}
.example-obtuse:before {
content:"";
position:absolute;
bottom:-30px;
right:80px;
border-0 0 30px 50px;
border-style:solid;
border-color:transparent #f3961c;
/* reduce the damage in FF3.0 */
display:block;
0;
}
/* creates the smaller triangle */
.example-obtuse:after {
content:"";
position:absolute;
bottom:-30px;
right:110px;
border-0 0 30px 20px;
border-style:solid;
border-color:transparent #fff;
/* reduce the damage in FF3.0 */
display:block;
0;
}
.example-twitter {
position:relative;
padding:15px;
margin:100px 0 0.5em;
color:#333;
background:#eee;
/* css3 */
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.example-twitter p {font-size:28px; line-height:1.25em;}
.example-twitter:before {
content:url(twitter-logo.gif);
position:absolute;
top:-60px;
left:0;
155px;
height:36px;
/* reduce the damage in FF3.0 */
display:block;
}
.example-twitter:after {
content:"";
position:absolute;
top:-30px;
left:50px;
border:15px solid transparent;
border-bottom-color:#eee;
/* reduce the damage in FF3.0 */
display:block;
0;
}
.example-twitter + p {padding-left:15px; font:14px Arial, sans-serif;}
.example-number {
position:relative;
200px;
height:200px;
margin:50px 0 200px;
text-align:center;
font:140px/200px Arial, sans-serif;
color:#fff;
background:#C91F2C;
}
.example-number:before {
content:"";
position:absolute;
bottom:-140px;
right:0;
border-0 0 140px 140px;
border-style:solid;
border-color:transparent #C91F2C;
}
.example-number:after {
content:"";
position:absolute;
bottom:-140px;
right:85px;
border-0 0 140px 55px;
border-style:solid;
border-color:transparent #fff;
}
.pinched {
position:relative;
padding:15px;
margin:50px 0 3em;
text-align:center;
color:#fff;
background:#333;
/* css3 */
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
.pinched:before {
content:"";
position:absolute;
top:-20px;
left:50%;
100px;
height:20px;
margin:0 0 0 -50px;
background:#333;
}
.pinched:after {
content:"";
position:absolute;
top:-20px;
left:0;
50%;
height:20px;
background:#fff;
/* css3 */
-webkit-border-bottom-right-radius:15px;
-moz-border-radius-bottomright:15px;
border-bottom-right-radius:15px;
}
.pinched > :first-child:before {
content:"";
position:absolute;
top:-20px;
right:0;
50%;
height:20px;
background:#fff;
/* css3 */
-webkit-border-bottom-left-radius:15px;
-moz-border-radius-bottomleft:15px;
border-bottom-left-radius:15px;
}
.oval-speech {
position:relative;
270px;
padding:50px 40px;
margin:1em auto 50px;
text-align:center;
color:#fff;
background:#5a8f00;
/* css3 */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#b8db29), to(#5a8f00));
background:-moz-linear-gradient(#b8db29, #5a8f00);
background:-o-linear-gradient(#b8db29, #5a8f00);
background:linear-gradient(#b8db29, #5a8f00);
-webkit-border-top-left-radius:220px 120px;
-webkit-border-top-right-radius:220px 120px;
-webkit-border-bottom-right-radius:220px 120px;
-webkit-border-bottom-left-radius:220px 120px;
-moz-border-radius:220px / 120px;
border-radius:220px / 120px;
}
.oval-speech p {font-size:1.25em;}
.oval-speech:before {
content:"";
position:absolute;
z-index:-1;
bottom:-30px;
right:50%;
height:30px;
border-right:60px solid #5a8f00;
background:#5a8f00; /* need this for webkit - bug in handling of border-radius */
/* css3 */
-webkit-border-bottom-right-radius:80px 50px;
-moz-border-radius-bottomright:80px 50px;
border-bottom-right-radius:80px 50px;
/* using translate to avoid undesired appearance in CSS2.1-capabable but CSS3-incapable browsers */
-webkit-transform:translate(0, -2px);
-moz-transform:translate(0, -2px);
-ms-transform:translate(0, -2px);
-o-transform:translate(0, -2px);
transform:translate(0, -2px);
}
/* creates part of the curved pointy bit */
.oval-speech:after {
content:"";
position:absolute;
z-index:-1;
bottom:-30px;
right:50%;
60px;
height:30px;
background:#fff;
/* css3 */
-webkit-border-bottom-right-radius:40px 50px;
-moz-border-radius-bottomright:40px 50px;
border-bottom-right-radius:40px 50px;
/* using translate to avoid undesired appearance in CSS2.1-capabable but CSS3-incapable browsers */
-webkit-transform:translate(-30px, -2px);
-moz-transform:translate(-30px, -2px);
-ms-transform:translate(-30px, -2px);
-o-transform:translate(-30px, -2px);
transform:translate(-30px, -2px);
}
.oval-thought {
position:relative;
270px;
padding:50px 40px;
margin:1em auto 80px;
text-align:center;
color:#fff;
background:#075698;
/* css3 */
background:-webkit-gradient(linear, 0 0, 0 100%, from(#2e88c4), to(#075698));
background:-moz-linear-gradient(#2e88c4, #075698);
background:-o-linear-gradient(#2e88c4, #075698);
background:linear-gradient(#2e88c4, #075698);
/*
NOTES:
-webkit-border-radius:220px 120px; // produces oval in safari 4 and chrome 4
-webkit-border-radius:220px / 120px; // produces oval in chrome 4 (again!) but not supported in safari 4
Not correct application of the current spec, therefore, using longhand to avoid future problems with webkit corrects this
*/
-webkit-border-top-left-radius:220px 120px;
-webkit-border-top-right-radius:220px 120px;
-webkit-border-bottom-right-radius:220px 120px;
-webkit-border-bottom-left-radius:220px 120px;
-moz-border-radius:220px / 120px;
border-radius:220px / 120px;
}
.oval-thought p {font-size:1.25em;}
/* creates the larger circle */
.oval-thought:before {
content:"";
position:absolute;
bottom:-20px;
left:50px;
30px;
height:30px;
background:#075698;
/* css3 */
-webkit-border-radius:30px;
-moz-border-radius:30px;
border-radius:30px;
}
/* creates the smaller circle */
.oval-thought:after {
content:"";
position:absolute;
bottom:-30px;
left:30px;
15px;
height:15px;
background:#075698;
/* css3 */
-webkit-border-radius:15px;
-moz-border-radius:15px;
border-radius:15px;
}
.oval-quotes {
position:relative;
400px;
height:350px;
margin:2em auto 10px;
color:#000;
background:#ffed26;
/* css3 */
/*
NOTES:
-webkit-border-radius:Apx Bpx; // produces oval in safari 4 and chrome 4
-webkit-border-radius:Apx / Bpx; // produces oval in chrome 4 (again!) but not supported in safari 4
Not correct application of the current spec, therefore, using longhand to avoid future problems with webkit corrects this
*/
-webkit-border-top-left-radius:400px 350px;
-webkit-border-top-right-radius:400px 350px;
-webkit-border-bottom-right-radius:400px 350px;
-webkit-border-bottom-left-radius:400px 350px;
-moz-border-radius:400px / 350px;
border-radius:400px / 350px;
}
/* creates opening quotation mark */
.oval-quotes:before {
content:"201C";
position:absolute;
z-index:1;
top:20px;
left:20px;
font:80px/1 Georgia, serif;
color:#ffed26;
}
/* creates closing quotation mark */
.oval-quotes:after {
content:"201D";
position:absolute;
z-index:1;
bottom:0;
right:20px;
font:80px/0.25 Georgia, serif;
color:#ffed26;
}
.oval-quotes p {
250px;
height:250px;
padding:50px 0 0;
margin:0 auto;
text-align:center;
font-size:35px;
}
/* creates smaller curve */
.oval-quotes p:before {
content:"";
position:absolute;
z-index:-1;
bottom:-30px;
right:55%;
180px; /* wider than necessary to make it look a bit better in IE8 */
height:60px;
background:#fff; /* need this for webkit - bug in handling of border-radius */
/* css3 */
-webkit-border-bottom-right-radius:40px 50px;
-moz-border-radius-bottomright:40px 50px;
border-bottom-right-radius:40px 50px;
/* using translate to avoid undesired appearance in CSS2.1-capabable but CSS3-incapable browsers */
-webkit-transform:translate(-30px, -2px);
-moz-transform:translate(-30px, -2px);
-ms-transform:translate(-30px, -2px);
-o-transform:translate(-30px, -2px);
transform:translate(-30px, -2px);
}
/* creates larger curve */
.oval-quotes p:after {
content:"";
position:absolute;
z-index:-2;
bottom:-30px;
right:25%;
height:80px;
border-right:200px solid #ffed26;
background:#ffed26; /* need this for webkit - bug in handling of border-radius */
/* css3 */
-webkit-border-bottom-right-radius:200px 100px;
-moz-border-radius-bottomright:200px 100px;
border-bottom-right-radius:200px 100px;
/* using translate to avoid undesired appearance in CSS2.1-capabable but CSS3-incapable browsers */
-webkit-transform:translate(0, -2px);
-moz-transform:translate(0, -2px);
-ms-transform:translate(0, -2px);
-o-transform:translate(0, -2px);
transform:translate(0, -2px);
/* reduce the damage in FF3.0 */
display:block;
0;
}
.oval-quotes + p {
position:relative; /* part of the IE8 width compromise */
150px;
margin:0 0 2em;
font-size:18px;
font-weight:bold;
}
.rectangle-speech-border {
position:relative;
padding:50px 15px;
margin:1em 0 3em;
border:10px solid #5a8f00;
text-align:center;
color:#333;
background:#fff;
/* css3 */
-webkit-border-radius:20px;
-moz-border-radius:20px;
border-radius:20px;
}
/* creates larger curve */
.rectangle-speech-border:before {
content:"";
position:absolute;
z-index:10;
bottom:-40px;
left:50px;
50px;
height:30px;
border-style:solid;
border-0 10px 10px 0;
border-color:#5a8f00;
background:transparent;
/* css3 */
-webkit-border-bottom-right-radius:80px 50px;
-moz-border-radius-bottomright:80px 50px;
border-bottom-right-radius:80px 50px;
/* reduce the damage in FF3.0 */
display:block;
}
/* creates smaller curve */
.rectangle-speech-border:after {
content:"";
position:absolute;
z-index:10;
bottom:-40px;
left:50px;
20px;
height:30px;
border-style:solid;
border-0 10px 10px 0;
border-color:#5a8f00;
background:transparent;
/* css3 */
-webkit-border-bottom-right-radius:40px 50px;
-moz-border-radius-bottomright:40px 50px;
border-bottom-right-radius:40px 50px;
/* reduce the damage in FF3.0 */
display:block;
}
/* creates a small circle to produce a rounded point where the two curves meet */
.rectangle-speech-border > :first-child:before {
content:"";
position:absolute;
bottom:-40px;
left:45px;
10px;
height:10px;
background:#5a8f00;
/* css3 */
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
/* creates a white rectangle to cover part of the oval border*/
.rectangle-speech-border > :first-child:after {
content:"";
position:absolute;
bottom:-10px;
left:76px;
24px;
height:15px;
background:#fff;
}
.oval-speech-border {
position:relative;
padding:70px 30px;
margin:1em auto 60px;
border:10px solid #f3961c;
text-align:center;
color:#333;
background:#fff;
/* css3 */
/*
NOTES:
-webkit-border-radius:240px 140px; // produces oval in safari 4 and chrome 4
-webkit-border-radius:240px / 140px; // produces oval in chrome 4 (again!) but not supported in safari 4
Not correct application of the current spec, therefore, using longhand to avoid future problems with webkit corrects this
*/
-webkit-border-top-left-radius:240px 140px;
-webkit-border-top-right-radius:240px 140px;
-webkit-border-bottom-right-radius:240px 140px;
-webkit-border-bottom-left-radius:240px 140px;
-moz-border-radius:240px / 140px;
border-radius:240px / 140px;
}
/* creates larger curve */
.oval-speech-border:before {
content:"";
position:absolute;
z-index:2;
bottom:-40px;
right:50%;
50px;
height:30px;
border-style:solid;
border-0 10px 10px 0;
border-color:#f3961c;
margin-right:-10px;
background:transparent;
/* css3 */
-webkit-border-bottom-right-radius:80px 50px;
-moz-border-radius-bottomright:80px 50px;
border-bottom-right-radius:80px 50px;
/* reduce the damage in FF3.0 */
display:block;
}
/* creates smaller curve */
.oval-speech-border:after {
content:"";
position:absolute;
z-index:2;
bottom:-40px;
right:50%;
20px;
height:31px;
border-style:solid;
border-0 10px 10px 0;
border-color:#f3961c;
margin-right:20px;
background:transparent;
/* css3 */
-webkit-border-bottom-right-radius:40px 50px;
-moz-border-radius-bottomright:40px 50px;
border-bottom-right-radius:40px 50px;
/* reduce the damage in FF3.0 */
display:block;
}
/* creates a small circle to produce a rounded point where the two curves meet */
.oval-speech-border > :first-child:before {
content:"";
position:absolute;
z-index:1;
bottom:-40px;
right:50%;
10px;
height:10px;
margin-right:45px;
background:#f3961c;
/* css3 */
-webkit-border-radius:10px;
-moz-border-radius:10px;
border-radius:10px;
}
/* creates a white rectangle to cover part of the oval border*/
.oval-speech-border > :first-child:after {
content:"";
position:absolute;
z-index:1;
bottom:-10px;
right:50%;
30px;
height:15px;
background:#fff;
}
.oval-thought-border {
position:relative;
padding:70px 30px;
margin:1em auto 80px;
border:10px solid #c81e2b;
text-align:center;
color:#333;
background:#fff;
/* css3 */
/*
NOTES:
-webkit-border-radius:240px 140px; // produces oval in safari 4 and chrome 4
-webkit-border-radius:240px / 140px; // produces oval in chrome 4 (again!) but not supported in safari 4
Not correct application of the current spec, therefore, using longhand to avoid future problems with webkit corrects this
*/
-webkit-border-top-left-radius:240px 140px;
-webkit-border-top-right-radius:240px 140px;
-webkit-border-bottom-right-radius:240px 140px;
-webkit-border-bottom-left-radius:240px 140px;
-moz-border-radius:240px / 140px;
border-radius:240px / 140px;
}
/* creates the larger circle */
.oval-thought-border:before {
content:"";
position:absolute;
z-index:10;
bottom:-40px;
right:100px;
50px;
height:50px;
border:10px solid #c81e2b;
background:#fff;
/* css3 */
-webkit-border-radius:50px;
-moz-border-radius:50px;
border-radius:50px;
/* reduce the damage in FF3.0 */
display:block;
}
/* creates the smaller circle */
.oval-thought-border:after {
content:"";
position:absolute;
z-index:10;
bottom:-60px;
right:50px;
25px;
height:25px;
border:10px solid #c81e2b;
background:#fff;
/* css3 */
-webkit-border-radius:25px;
-moz-border-radius:25px;
border-radius:25px;
/* reduce the damage in FF3.0 */
display:block;
}
</style>
<script>
var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-7489188-1']); _gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.async = true; ga.src = 'http://www.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(ga, s);
})();
</script>
</head>
<body>
<div id="container">
<div class="content">
<p class="triangle-isosceles">This only needs one HTML element.</p>
<p class="triangle-isosceles top">For example, <code><p>[text]</p></code>.</p>
<p class="triangle-isosceles left">But it could be any element you want.</p>
<p class="triangle-isosceles right">The entire appearance is created only with CSS.</p>
<p class="triangle-right">This only needs one HTML element.</p>
<p class="triangle-right top">For example, <code><p>[text]</p></code>.</p>
<p class="triangle-right left">But it could be any element you want.</p>
<p class="triangle-right right">The entire appearance is created only with CSS.</p>
<p class="triangle-obtuse">This only needs one HTML element.</p>
<p class="triangle-obtuse top">For example, <code><p>[text]</p></code>.</p>
<p class="triangle-obtuse left">But it could be any element you want.</p>
<p class="triangle-obtuse right">The entire appearance is created only with CSS.</p>
<p class="triangle-border">This only needs one HTML element.</p>
<p class="triangle-border top">For example, <code><p>[text]</p></code>.</p>
<p class="triangle-border left">But it could be any element you want.</p>
<p class="triangle-border right">The entire appearance is created only with CSS.</p>
<h2>Simple examples</h2>
<h3 class="example-commentheading">125 comments</h3>
<blockquote class="example-right">
<p>Design is directed toward human beings. To design is to solve human problems by identifying them and executing the best solution.</p>
</blockquote>
<p>Ivan Chermayeff</p>
<blockquote class="example-obtuse">
<p>It’s not what you look at that matters, it’s what you see.</p>
</blockquote>
<p>Henry David Thoreau</p>
<blockquote class="example-twitter" cite="http://twitter.com/necolas/status/9880187933">
<p>Takes me longer to write up blog posts on experiments or projects than to create them in the first place.</p>
</blockquote>
<p><a href="http://twitter.com/necolas">@necolas</a> at <a href="http://twitter.com/necolas/status/9880187933">4:05 PM March 2nd 2010</a></p>
<div class="example-number">57</div>
<h2>More complex CSS3 examples</h2>
<p>Some more experimental speech bubbles that try to limit the damage in browsers lacking the necessary CSS3 support.</p>
<div class="pinched">
<p><strong>It doesn’t matter what the first child element of this div is</strong>...but it does need a child element.</p>
</div>
<blockquote class="oval-speech">
<p>This is a blockquote that is styled to look like a speech bubble</p>
</blockquote>
<blockquote class="oval-thought">
<p>This is a blockquote that is styled to look like a thought bubble</p>
</blockquote>
<blockquote class="oval-quotes">
<p>No, Donny, these men are nihilists, there’s nothing to be afraid of.</p>
</blockquote>
<p>Walter Sobchak</p>
<blockquote class="rectangle-speech-border">
<p>This is a blockquote that is styled to look like a speech bubble</p>
</blockquote>
<blockquote class="oval-speech-border">
<p>This is a blockquote that is styled to look like a speech bubble</p>
</blockquote>
<blockquote class="oval-thought-border">
<p>This is a blockquote that is styled to look like a thought bubble</p>
</blockquote>
</div>
</div>
</body>
</html>