/* 飞机飞行 */ .plane { position: absolute; top: 18%; left: 13%; -webkit-animation: flying 15s linear infinite; animation: flying 15s linear infinite; z-index: 30; } @keyframes flying { 0% {top: 100px;left: 500px;} 100% {top: 380px;left:-100px;} } @-moz-keyframes flying { 0% {top: 100px;left: 500px;} 100% {top: 380px;left:-100px;} } @-webkit-keyframes flying { 0% {top: 100px;left: 500px;} 100% {top: 380px;left:-100px;} }