2024.4.8-day12-CSS 常用样式属性和字体图标

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文章目录

作业
2024.4.8-学习笔记
- 盒子阴影
- 文本阴影
- 透明的
- vertical-align
- 字体使用

作业

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<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <meta name="三角形" content="三角形">
        <meta description="三角形" content="三角形">
        <title>三角形</title>
        <style>
            .btn {
                position: relative;
                width: 100px;
                height: 50px;
                background-color: black;
                color: white;
                margin: 30px auto 0;
                line-height: 50px;
                text-align: center;
            }
            .tips {
                position: absolute;
                width: 300px;
                height: 50px;
                left: 50%;
                background-color: blue;
                margin-left: -150px;
                top: 60px;
                color: white

            }
            .tips::after {
                content:'';
                position: absolute;
                width: 0;
                height: 0;
                line-height: 0;
                font-size: 0;
                border: 10px solid transparent;
                border-bottom-color: red;
                left: 50%;
                margin-left: -10px;
                bottom: 50.5px;

            }
            .btn:hover .tips  {
                display: block;
            }
            .btn .tips {
                display: none;
            }
        </style>
    </head>
    <body>
        <div class="btn">
            查看
            <div class="tips">我想学习前端知识</div>
        </div>
    </body>
</html>

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <link rel="stylesheet" href="./iconfont/iconfont.css">
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: black;
        }

        a:hover {
            color: red;
        }

        .footer {
            position: fixed;
            bottom: 0;
            /* 表示宽度为100%， left=0，right=0，就会让这个盒子进行拉伸 */
            left: 0;
            right: 0;
            height: 100px;
            font-size: 0;
            box-shadow: 0 0 10px #ccc;
        }

        .iconfont {
            font-size: 50px;
        }

        /* 规范建议：能用标准流的，就不用浮动或者固定、绝对定位脱标 */
        .footer .item {
            width: 25%;
            /* float: left; */
            display: inline-block;
            font-size: 18px;
            text-align: center;
            cursor: pointer;
            margin-top: 15px;
        }
    </style>
</head>
<body>
    <div class="footer">
        <a href="#" class="item">
            <div><span class="iconfont icon-shouye"></span></div>
            <div>首页</div>
        </a>
        <a class="item">
            <div><span class="iconfont icon-fenlei"></span></div>
            <div>分类</div>
        </a>
        <a class="item">
            <div><span class="iconfont icon-gouwuche"></span></div>
            <div>购物车</div>
        </a>
        <a class="item">
            <div><span class="iconfont icon-wode"></span></div>
            <div>我的</div>
        </a>
    </div>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        ul {
            list-style: none;
        }

        body {
            /* month计数的名字，现在是0 */
            counter-reset: month;
        }

        .box {
            width: 300px;
            margin: 30px auto 0;
            counter-reset: day;
        }

        .month {
            text-align: center;
        }

        .month::after {
            counter-increment: month;
            content: '第' counter(month) '月';
        }

        .day>li {
            float: left;
            width: 50px;
            height: 50px;
            text-align: center;
            line-height: 50px;
        }

        .day>li::after {
            counter-increment: day;
            content: counter(day);
        }

        .clearfix::after {
            content: '';
            display: block;
            clear: both;
        }
    </style>
</head>
<body>
    <div class="box">
        <h3 class="month"></h3>
        <ul class="day clearfix">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>

    <div class="box">
        <h3 class="month"></h3>
        <ul class="day clearfix">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</body>
</html>