css 优化滚动条

overflow:scroll 就会出现滚动条
但是，为了公司需求，还是要修改一下样式在这里插入图片描述

实现效果

在这里插入图片描述
实现效果

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .wrapper {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 200px;
            height: 200px;
            overflow-x: hidden;
            overflow-y: auto;
            border: 1px solid red;
        }
        .content {
            width: 100px;
            height: 100px;

        }
        .wrapper::-webkit-scrollbar {
            width: 10px;
        }
        .wrapper::-webkit-scrollbar-track {
            background: #eee;
            border-radius: 2px;
        }
       .wrapper::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 5px;
        } 
    </style>
</head>

<body>
    <div class="wrapper">
        <span class="content">
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            qwqasdsahczjxcqwqasdsahczjxqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxc
            qwqasdsahczjxcqwqasdsahczjxqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxc
            qwqasdsahczjxcqwqasdsahczjxqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxc
            qwqasdsahczjxcqwqasdsahczjxqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxc
            qwqasdsahczjxcqwqasdsahczjxqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxc
            qwqasdsahczjxcqwqasdsahczjxqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxcqwqasdsahczjxc
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        </span>
    </div>
    <script>

    </script>
</body>

</html>

总结重点
在这里插入图片描述

css 优化滚动条

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