CSS特殊样式（九）悬浮效果菜单
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2022-06-30 18:27:22
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>悬浮效果菜单</title>
<script src="http://libs.baidu.com/jquery/1.11.3/jquery.min.js"></script>
<style>
*::before,*::after {
box-sizing:border-box;
}
.leaderboard {
position:absolute;
top:20px;
left:10px;
width:375px;
height:200px;
background:#F0F0F0;
border-radius:10px;
box-shadow:0 7px 30px rgba(62,9,11,0.3);
}
.leaderboard h1 {
font-size:18px;
height:30px;
line-height:30px;
text-align:center;
}
.leaderboard h1 svg {
width:25px;
height:26px;
position:relative;
margin-right:0px;
vertical-align:baseline;
}
.leaderboard ol {
counter-reset:leaderboard;
}
.leaderboard ol li {
position:relative;
z-index:1;
font-size:13px;
font-family:微软雅黑;
counter-increment:leaderboard;
padding:18px 0px 10px 0px;
cursor:pointer;
}
.leaderboard ol li::before {
content:counter(leaderboard);
position:absolute;
z-index:2;
top:6px;
left:10px;
width:15px;
height:15px;
line-height:15px;
color:#4D6999;
background:#fff;
border-radius:20px;
text-align:center;
}
.leaderboard ol li mark {
position:absolute;
z-index:2;
top:-1px;
left:-10px;
width:100%;
padding:8px 10px 18px 50px;
margin:0;
background:none;
color:#fff;
}
.leaderboard ol li mark::before,.leaderboard ol li mark::after {
content:'';
position:absolute;
z-index:1;
-webkit-transition:all .1s ease-in-out;
transition:all .1s ease-in-out;
opacity:0;
}
.leaderboard ol li mark::after {
left:auto;
right:-9px;
border-left:none;
border-right:10px solid transparent;
}
.leaderboard ol li small {
position:relative;
z-index:2;
display:block;
text-align:right;
}
.leaderboard ol li::after {
content:'';
position:absolute;
z-index:1;
top:0;
left:0;
width:100%;
height:100%;
background:none;
box-shadow:0 3px 0 rgba(0,0,0,0.08);
-webkit-transition:all .3s ease-in-out;
transition:all .3s ease-in-out;
opacity:0;
}
.leaderboard ol li {
background:#7E98BE;
border:1px solid lightgrey;
border-width:0px 1px 1px 1px;
}
.leaderboard ol li::after {
background:#637FB0;
border-radius:3px;
}
.leaderboard ol li:hover {
z-index:2;
overflow:visible;
}
.leaderboard ol li:hover::after {
opacity:1;
-webkit-transform:scaleX(1.06) scaleY(1.03);
transform:scaleX(1.06) scaleY(1.03);
}
.leaderboard ol li:hover mark::before,.leaderboard ol li:hover mark::after {
opacity:1;
-webkit-transition:all .35s ease-in-out;
transition:all .35s ease-in-out;
}
html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video {
margin:0;
padding:0;
border:0;
font-size:100%;
font:inherit;
vertical-align:baseline
}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section {
display:block
}
body {
line-height:1
}
ol,ul {
list-style:none
}
blockquote,q {
quotes:none
}
blockquote:before,blockquote:after,q:before,q:after {
content:'';
content:none
}
table {
border-collapse:collapse;
border-spacing:0
}
a:link,a:hover,a:visited,a:active {
text-decoration:none;
color:#fff;
}
</style>
</head>
<body>
<div class="leaderboard">
<h1>目 录</h1>
<ol class="part1">
<li><mark><a href="#">123</a></mark></li>
<li><mark><a href="#">123</a></mark></li>
<li><mark><a href="#">123</a></mark></li>
<li><mark><a href="#">123</a></mark></li>
<li><mark><a href="#">123</a></mark></li>
</ol>
</div>
<script>
</script>
</body>
</html>
效果图：
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