<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<ul>
<li>12</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
<li>7</li>
<li>8</li>
<li>9</li>
<li>10</li>
<li>11</li>
<li>12</li>
<li>13</li>
<li>14</li>
<li>15</li>
<li>16</li>
<li>17</li>
<li>18</li>
<li>19</li>
<li>20</li>
</ul>
<style>
* {
margin: 0;
padding: 0;
}
html,
body {
width: 100%;
height: 100%;
}
ul {
transition: all .5s;
width: 200px;
height: 300px;
margin: 30px auto;
list-style: none;
overflow-y: scroll;
}
li {
width: 100%;
height: 30px;
border-bottom: 1px solid #aaa;
}
li:hover {
background: #eee;
}
*::-webkit-scrollbar,
*::-webkit-scrollbar-thumb {
width: 26px;
border-radius: 13px;
background-clip: padding-box;
border: 10px solid transparent;
}
*::-webkit-scrollbar-thumb {
box-shadow: inset 0 0 0 10px;
}
ul:hover {
color: rgba(0, 0, 0, 0.3);
}
ul {
background: white;
padding: 20px;
width: 200px;
height: 300px;
margin: 100px auto;
border-radius: 3px;
overflow: auto;
color: rgba(0, 0, 0, 0);
text-shadow: 0 0 black;
box-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
transition: color .3s ease;
}
</style>
</body>
</html>
</body>
</html>
原文地址：https://www.cnblogs.com/lyls/p/9833702.html