css如何玩转有序无序列表项list样式

在无序列表ul>li中,无线列表的标志是出现在各列表前面的圆点。在有序列表ol>li中,前面默认带有数字,如何修改列表前面的项目符号,只需要通过list-style调整就好,常见的符号有(/*内容注释部分*/)list-style-type:circle;/*空心圆*/list-style:none;/*去除标志*/list-style:square;/*方块*/list-style:upper-roman;/*罗马数字*/list-style:lower-alpha;/*list-style-type:upper-alpha;大写字母*/等!

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>css如何玩转有序无序列表项list样式</title>
    <style type="text/css">
    ul.box1{
        list-style-type:circle;/*空心圆*/
    }
    .box1 li{
        list-style:none;/*去除标志*/
        background-image: url("https://pic.cnblogs.com/avatar/1350951/20200208114706.png");/*图文结合,列表前面添加图片*/
        height: 50px;
        background-repeat: no-repeat;
        background-size: 20px;
        /*设置背景图片大小。图片可以保有其原有的尺寸,或者拉伸到新的尺寸,或者在保持其原有比例的同时缩放到元素的可用空间的尺寸。*/
        padding: 0px 25px 10px;/*调整内边距 上 左右 下*/
    }
    ul.box2{
        list-style:square;/*方块*/
    }
    ul.box3{
        list-style:upper-roman;/*罗马数字*/
    }
    ul.box4{
        list-style:lower-alpha;/*list-style-type:upper-alpha;大写字母*/
    }
    ol.box5{
        list-style: none;
        list-style:upper-alpha;
        color: indianred;
    }
    </style>
</head>
<body>
    <!-- 无线列表 -->
    <ul class="box1">
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
    </ul>
    <ul class="box2">
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
    </ul>
    <ul class="box3">
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
    </ul>
    <ul class="box4">
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
    </ul>
    <!-- 无序列表把ul>li换成ol>li有序列表,前面默认带有数字-->
    <ol class="box5">
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
        <li>abc</li>
    </ol>
</body>
</html>