百度网站优化排行,购物网站网页设计报告,旅游网站建设项目报告论文,crm免费永久使用效果演示#xff1a; 基于css3 keyframes 属性制作乌云密布云层动画#xff0c;夜晚云层飘过动画特效。可用于网页动态云层背景特效。利用animation 和png云图片制作完成。 代码目录#xff1a; 主要代码实现#xff1a; css样式#xff1a;
html,
body {width: 100%;he… 效果演示 基于css3 keyframes 属性制作乌云密布云层动画夜晚云层飘过动画特效。可用于网页动态云层背景特效。利用animation 和png云图片制作完成。 代码目录 主要代码实现 css样式
html,
body {width: 100%;height: 100%;overflow: hidden;
}body {background: #000;text-align: center;keyframes clouds-loop-1 {to {background-position: -1000px 0;}
}.clouds-1 {background-image: url(../img/clouds_2.webp);animation: clouds-loop-1 20s infinite linear;
}keyframes clouds-loop-2 {to {background-position: -1000px 0;}
}.clouds-2 {background-image: url(../img/clouds_1.webp);animation: clouds-loop-2 15s infinite linear;
}keyframes clouds-loop-3 {to {background-position: -1579px 0;}
}.clouds-3 {background-image: url(../img/clouds_3.webp);animation: clouds-loop-3 17s infinite linear;
}html,
body {font-family: sans-serif;height: 100%;padding: 0;margin: 0;
}body {background: url(data:image/svgxml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4gPHN2ZyB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIPGRlZnMPGxpbmVhckdyYWRpZW50IGlkPSJncmFkIiBncmFkaWVudFVuaXRzPSJvYmplY3RCb3VuZGluZ0JveCIgeDE9IjAuNSIgeTE9IjAuMCIgeDI9IjAuNSIgeTI9IjEuMCIPHN0b3Agb2Zmc2V0PSIwJSIgc3RvcC1jb2xvcj0iIzMzMzMzMyIvPjxzdG9wIG9mZnNldD0iMTAwJSIgc3RvcC1jb2xvcj0iIzAwMDAwMCIvPjwvbGluZWFyR3JhZGllbnQPC9kZWZzPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjZ3JhZCkiIC8PC9zdmcIA);background: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #333333), color-stop(100%, #000000));background: -moz-linear-gradient(#333333, #000000);background: -webkit-linear-gradient(#333333, #000000);background: linear-gradient(#333333, #000000);
}body,
body a {color: #cccccc;
}h1.quote {-moz-transform: translate(-50%, -50%);-ms-transform: translate(-50%, -50%);-webkit-transform: translate(-50%, -50%);transform: translate(-50%, -50%);display: inline-block;vertical-align: middle;*vertical-align: auto;*zoom: 1;*display: inline;text-align: right;text-decoration: none;font-family: Oswald, sans-serif;font-weight: normal;position: absolute;top: 50%;left: 50%;font-size: 1.5em;line-height: 1.5em;margin: 0;text-shadow: 0 -1px 0 #ffffff, 0 2px 3px #000000;
}h1.quote span {display: block;
}.clouds {filter: progid:DXImageTransform.Microsoft.Alpha(Opacity40);opacity: 0.4;pointer-events: none;position: absolute;overflow: hidden;top: 0;left: 0;right: 0;height: 100%;
}.clouds-1,
.clouds-2,
.clouds-3 {background-repeat: repeat-x;position: absolute;top: 0;right: 0;left: 0;height: 500px;
}
}body::before {content: ;display: inline-block;height: 100%;vertical-align: middle;
}.scene {position: relative;display: inline-block;vertical-align: middle;perspective: 15px;perspective-origin: 50% 50%;
}.wrap {position: absolute;width: 1000px;height: 1000px;left: -500px;top: -500px;transform-style: preserve-3d;animation: move 12s infinite linear;animation-fill-mode: forwards;
}.wrap:nth-child(2) {animation: move 12s infinite linear;animation-delay: 6s;
}.wall {width: 100%;height: 100%;position: absolute;background: url(../img/sg.jpg);background-size: cover;opacity: 0;animation: fade 12s infinite linear;
}.wrap:nth-child(2) .wall {animation-delay: 6s;
}.wall-right {transform: rotateY(90deg) translateZ(500px);
}.wall-left {transform: rotateY(-90deg) translateZ(500px);
}.wall-top {transform: rotateX(90deg) translateZ(500px);
}.wall-bottom {transform: rotateX(-90deg) translateZ(500px);
}.wall-back {transform: rotateX(180deg) translateZ(500px);
}keyframes fade {0% {opacity: 0;}25% {opacity: 1;}75% {opacity: 1;}100% {opacity: 0;}
}keyframes move {0% {transform: translateZ(-500px) rotate(0deg);}100% {transform: translateZ(500px) rotate(0deg);}
}
html代码 :
!DOCTYPE html
html langenheadmeta charsetUTF-8titleWhat do you have to be scared of?/titlelink relstylesheet hrefcss/style.cssscript srcjs/prefixfree.min.js/script/headbodyh1 classquotespan你是个鬼魂驾驶着一具用星尘做成的肉骨架。/spanspan... 你害怕什么/span/h1div classcloudsdiv classclouds-1/divdiv classclouds-2/divdiv classclouds-3/div/div/body/html
需要把JS引入进来、图片也可以替换成自己喜欢的样子。 源码获取 精彩推荐更新中 HTML5大作业实战100套 打卡 文章 更新 36 / 100天 大家可以点赞、收藏、关注、评论我啦 、需要完整文件随时联系我或交流哟~
