【使用ul模拟下拉列表的时候，下拉列表背景出现透明 _布局 _下拉菜单】

使用ul模拟下拉列表的时候，下拉列表背景出现透明

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布局下拉菜单

详细描述

截图

代码

/* CSS 代码 */
       .header {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            height: 80px; }

        .header .select {
            width: 100%;
            height: 35px;
            background-color: #fff;
            border-bottom: 1px solid #eee; }

        .select:after {
            content: '';
            display: block;
            clear: both; }

        .select .adress,
        .select .eat,
        .select .condition {
            position: relative;
            float: left;
            width: 33.3%;
            font-size: 14px;
            line-height: 35px;
            margin: 0 auto;
            text-align: center; }

        .select .arrow {
            position: absolute;
            top: 15px;
            right: 5px;
            width: 10px;
            height: 8px;
            background: url(./img/task6.png) no-repeat -130px 0;
            -webkit-background-size: 250px;
            background-size: 250px; }

        .select .adlist,
        .select .eatlist,
        .select .conlist {
            height: 0;
            overflow: hidden;
            transition: all 0.5s ease; }

        .select .adlist li,
        .select .eatlist li,
        .select .conlist li {
            width: 100%;
            background-color: #fafafa;
            text-align: center; }

        .select .split {
            position: absolute;
            top: 0;
            right: 0;
            width: 1px;
            height: 35px;
            background: url(./img/task6.png) no-repeat -370px 50%;
            -webkit-background-size: 400px 35px;
            background-size: 400px 35px; }

        .select .adress:hover .adlist,
        .select .eat:hover .eatlist,
        .select .condition:hover .conlist {
            height: 180px; }

        .main {
            width: 100%;}

        .wrapper {
            width: 100%;
            position: absolute;
            top: 35px; }

        .list {
            width: 100%; }

        .list .item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            font-size: 14px;
            border-bottom: 1px solid #ccc; }

        .item .info {
            width: 100%; }

        .item .info .date,
        .item .info .time,
        .item .info .local {
            position: relative;
            margin-top: 10px;
            margin-bottom: 10px;
            padding-left: 35px;
            width: 70%;
            color: #999;
            white-space: nowrap;
            text-overflow: ellipsis;
            overflow: hidden; }

        .item .info .time {
            font-size: 12px;
            color: #000; }

        .item .price {
            position: relative;
            color: #e63b0e;
            margin-right: 25px;
            white-space: nowrap; }

        .item .date:before {
            position: absolute;
            top: 3px;
            left: 15px;
            content: '';
            display: block;
            width: 14px;
            height: 13px;
            background: url(./img/task6.png) no-repeat;
            -webkit-background-size: 230px;
            background-size: 230px; }

        .item .local:before {
            position: absolute;
            top: 3px;
            left: 15px;
            content: '';
            display: block;
            width: 14px;
            height: 13px;
            background: url(./img/task6.png) no-repeat -62px 0;
            -webkit-background-size: 230px;
            background-size: 230px; }

        .item .price:after {
            position: absolute;
            top: 3px;
            right: -15px;
            content: '';
            display: block;
            width: 10px;
            height: 10px;
            border: 2px solid #5fc0cd;
            border-left: 2px solid rgba(95, 192, 205, 0);
            border-bottom: 2px solid rgba(95, 192, 205, 0);
            transform: rotateZ(45deg); }

<!-- html 代码 -->
 <header class="header">
        <div class="select">
            <ul>
                <li class="adress">
                    <p>所在地</p>
                    <div class="arrow"></div>
                    <ul class="adlist">
                        <li>定位</li>
                        <li>龙华区</li>
                        <li>龙岗区</li>
                        <li>宝安区</li>
                        <li>福田区</li>
                    </ul>
                    <div class="split"></div>
                </li>
                <li class="eat">
                    <p>食宿</p>
                    <div class="arrow"></div>
                    <ul class="eatlist">
                        <li>需要</li>
                        <li>不需要</li>
                    </ul>
                    <div class="split"></div>
                </li>
                <li class="condition">
                    <p>病人情况</p>
                    <div class="arrow"></div>
                    <ul class="conlist">
                        <li>健康</li>
                        <li>良好</li>
                        <li>一般</li>
                    </ul>
                </li>
            </ul>
        </div>
    </header>
    <main class="main">
        <div class="wrapper">
            <ul class="list">
                <li class="item">
                    <div class="info">
                        <p class="date">服务日期</p>
                        <p class="time">2015-7-5 至 2015-7-12</p>
                        <p class="local">北京·通州·果园</p>
                    </div>
                    <div class="price"><p>25元/小时</p></div>
                </li>
                <li class="item">
                    <div class="info">
                        <p class="date">服务日期</p>
                        <p class="time">2015-7-5 至 2015-7-12</p>
                        <p class="local">北京·通州·果园</p>
                    </div>
                    <div class="price"><p>25元/小时</p></div>
                </li>
            </ul>
        </div>
    </main>

编辑于2025-04-02