暂无AI摘要 可变透明度返回顶部代码,如果向下滚动超过1200像素,按钮的透明度会下降,减少视觉干扰,更便于浏览内容主体,非常贴心的用户体验,兼容主流浏览器
<script type="text/javascript" src="./files/jquery.min.js"></script>
<script type="text/javascript" src="./files/script.js"></script>@charset "utf-8";
.cd-top {
display: inline-block;
height: 40px;
width: 40px;
position: fixed;
bottom: 40px;
right: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
/* image replacement properties */
overflow: hidden;
text-indent: 100%;
white-space: nowrap;
background: rgba(232, 98, 86, 0.8) url(../images/cd-top-arrow.svg) no-repeat center 50%;
visibility: hidden;
opacity: 0;
-webkit-transition: all 0.3s;
-moz-transition: all 0.3s;
transition: all 0.3s;
}
.cd-top.cd-is-visible {
/* the button becomes visible */
visibility: visible;
opacity: 1;
}
.cd-top.cd-fade-out {
/* 如果用户继续向下滚动,这个按钮的透明度会变得更低 */
opacity: .5;
}
.no-touch .cd-top:hover {
background-color: #e86256;
opacity: 1;
}
@media only screen and (min-width: 768px) {
.cd-top {
right: 20px;
bottom: 20px;
}
}
@media only screen and (min-width: 1024px) {
.cd-top {
height: 60px;
width: 60px;
right: 30px;
bottom: 30px;
}
}<a href="#0" class="cd-top">Top</a>在head区域引入样式表文件script.css
在head区域引入jquery.min.js和script.js,注意引入的先后顺序
在你的网页中

