【HTML+CSS】零碎知识点

news2025/7/11 20:02:21

公告滚动条

<!DOCTYPE html>
<html>

<head>
    <title>动态粘性导航栏</title>
    <style>
        .container {
            background: #00aeec;
            overflow: hidden;
            padding: 20px 0;
        }

        .title {
            float: left;
            font-size: 20px;
            font-weight: normal;
            margin: 0;
            margin-left: 20px;
            margin-right: 20px;
            margin-top: 2px;
            padding-right: 18px;
            border-right: 2px solid #ccc;
        }

        .list {
            float: left;
            list-style: none;
            border: 1px solid ;
            padding: 0;
            height: 30px;
            overflow: hidden scroll;
            margin: 0;
            margin-left: 20px;
        }
        .list li {
            height: 30px;
            line-height: 30px;
        }
    </style>
</head>

<body>

    <div class="container">

        <h1 class="title">最新公告</h1>


        <ul class="list">
            <li>Lorem dolore hic, cumque doloremque
                obcaecati minima.</li>
            <li>Lorem alias molestias recusandae
                dignissimos? Iusto, natus.</li>
            <li>Lorem vero blanditiis minima commodi eveniet
                alias expedita, error hic nam.</li>
            <li>Lorem aliquid a assumenda repellat saepe
                et. Possimus.</li>
        </ul>

    </div>
    <script>

    </script>
</body>

</html>

在这里插入图片描述

侧边栏浮动，主区域自适应

<!DOCTYPE html>
<html>

<head>
    <title>动态粘性导航栏</title>
    <style>
        .clearfix::after {
            content:'';
            display: block;
            clear: both;
        }
        .container {
            background: lightblue;
            width: 90%;
            margin: 0 auto;
        }
        .aside {
            float: left;
            background: blanchedalmond;
            width: 300px;
            margin-right: 30px;
        }
        .main {
            overflow: hidden;
            background: gray;
        }
    </style>
</head>

<body>

    <div class="container clearfix">
        <aside class="aside">Lorem ipsum dolor sit amet consectetur, adipisicing elit. Hic obcaecati atque cumque expedita nostrum saepe enim quam, voluptatibus consequatur numquam quidem dolor, molestias illum commodi perspiciatis sapiente. Necessitatibus, in nemo.</aside>
        <div class="main">Lorem ipsum dolor sit amet consectetur, adipisicing elit. Exercitationem, doloremque accusamus voluptatibus cum necessitatibus iusto cupiditate blanditiis repellat, consequuntur accusantium eligendi sint provident ipsam molestiae magni a laudantium iste eaque?</div>
    </div>
    <script>

    </script>
</body>

</html>

在这里插入图片描述

文本溢出的处理

<!DOCTYPE html>
<html>

<head>
    <title>动态粘性导航栏</title>
    <style>
        .single-line {
            border: 1px solid #101a36;
            width: 400px;
            height: 30px;
            line-height: 30px;
            color: #f40;
            margin: 40px 20px;
            /* 实现方式： */
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .multi-line {
            border: 1px solid rgb(32, 22, 40);
            width: 400px;
            height: 90px;
            line-height: 30px;
            color: #f40;
            margin: 0 20px;
            /* 实现方式： */
            overflow: hidden;
            text-overflow: ellipsis;
            /* webkit 内核服务器特有的属性 */
            display: -webkit-box;
            /* 3 是需要开始省略（...）的行号 */
            -webkit-line-clamp: 3;
            /* 排列方式：vertical */
            -webkit-box-orient: vertical;
        }
    </style>
</head>

<body>

    <p class="single-line">Lorem ipsum dolor sit amet consectetur adipisicing elit. Cumque voluptatum molestiae ducimus
        ratione quos impedit, porro optio aliquid ipsam nostrum itaque. Cum, quibusdam consequatur sequi voluptatum
        officia in temporibus exercitationem.</p>
    <p class="multi-line">Lorem ipsum dolor sit amet consectetur adipisicing elit. Quia officia quos placeat quas
        incidunt dolores esse vel libero. Quibusdam in nihil et deserunt natus sed ad nesciunt voluptatibus,
        exercitationem sapiente.</p>
    <script>

    </script>
</body>

</html>