純css實現下拉菜單

純css實現下拉菜單

一、效果以下：

二、html代碼

<div class="drop-box">
    <p class="txt">時間最近</p>
    <ul class="menu">
        <li sort="0" style="display: none;">時間最近</li>
        <li sort="1">評論最多</li>
        <li sort="2">被贊最多</li>
    </ul>
</div>

三、css代碼

<style>
        * {
            margin: 0;
            padding: 0;
        }

        ul {
            list-style: none;
        }

        .drop-box {
            box-sizing: border-box;
            width: 150px;
            font-size: 14px;
            text-align: center;
            border-radius: 10px;
            box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.175);
            overflow: hidden;
            margin-bottom: 5px;
        }

        .drop-box p {
            height: 24px;
            padding-top: 5px;
            position: relative;
            z-index: 10;
            margin: 0px;
        }

        .drop-box p:after {     /*三角箭頭*/
            position: absolute;
            top: 10px;
            right: 10px;
            width: 0px;
            height: 0px;
            content: '';
            border: 6px solid transparent;
            border-top-color: #E4E4E3;
        }

        .drop-box .menu {
            display: none;
            background-color: #fff;
        }

        .drop-box .menu li {
            height: 35px;
            line-height: 35px;
        }

        .drop-box .menu li:hover {
            background-color: #fee5ca;
            color: #fda653;
        }

        .drop-box .menu .dp-active {
            display: none;
        }

        .drop-box:hover {
            cursor: pointer;
        }

        .drop-box:hover .menu {
            display: block;
        }

        .drop-box:hover p:after {
            top: 5px;
            border: 6px solid transparent;
            border-bottom-color: #E4E4E3;
        }

    </style>