效果展示:
0
代码展示
```
html, body {
margin: 0;
padding:0;
height: 100%
}
.sky {
height: 480px;
background: #007fd5;
position: relative;
overflow: hidden;
-webkit-animation: sky_background 50s ease-out infinite;
-moz-animation: sky_background 50s ease-out infinite;
-o-animation: sky_background 50s ease-out infinite;
animation: sky_background 50s ease-out infinite;
-webkit-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.sky .clouds_one {
background: url("../images/cloud_one.png");
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 300%;
-webkit-animation: cloud_one 50s linear infinite;
-moz-animation: cloud_one 50s linear infinite;
-o-animation: cloud_one 50s linear infinite;
animation: cloud_one 50s linear infinite;
-webkit-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.sky .clouds_two {
background: url("../images/cloud_two.png");
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 300%;
-webkit-animation: cloud_two 75s linear infinite;
-moz-animation: cloud_two 75s linear infinite;
-o-animation: cloud_two 75s linear infinite;
animation: cloud_two 75s linear infinite;
-webkit-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
.sky .clouds_three {
background: url("../images/cloud_three.png");
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 300%;
-webkit-animation: cloud_three 100s linear infinite;
-moz-animation: cloud_three 100s linear infinite;
-o-animation: cloud_three 100s linear infinite;
animation: cloud_three 100s linear infinite;
-webkit-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}
@-webkit-keyframes sky_background {
0% {
background: #007fd5;
color: #007fd5
}
50% {
background: #000;
color: #a3d9ff
}
100% {
background: #007fd5;
color: #007fd5
}
}
@-moz-keyframes sky_background {
0% {
background: #007fd5;
color: #007fd5
}
50% {
background: #000;
color: #a3d9ff
}
100% {
background: #007fd5;
color: #007fd5
}
}
@keyframes sky_background {
0% {
background: #007fd5;
color: #007fd5
}
50% {
background: #000;
color: #a3d9ff
}
100% {
background: #007fd5;
color: #007fd5
}
}
@-webkit-keyframes cloud_one {
0% {
left: 0
}
100% {
left: -200%
}
}
@-moz-keyframes cloud_one {
0% {
left: 0
}
100% {
left: -200%
}
}
@keyframes cloud_one {
0% {
left: 0
}
100% {
left: -200%
}
}
@-webkit-keyframes cloud_two {
0% {
left: 0
}
100% {
left: -200%
}
}
@-moz-keyframes cloud_two {
0% {
left: 0
}
100% {
left: -200%
}
}
@keyframes cloud_two {
0% {
left: 0
}
100% {
left: -200%
}
}
@-webkit-keyframes cloud_three {
0% {
left: 0
}
100% {
left: -200%
}
}
@-moz-keyframes cloud_three {
0% {
left: 0
}
100% {
left: -200%
}
}
@keyframes cloud_three {
0% {
left: 0
}
100% {
left: -200%
}
}
```
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