CSS实现底部弧度效果

news2024/12/23 14:19:29

效果图如下

在这里插入图片描述

说明：
使用伪类处理，先将元素自身定位为relative;
伪类设置content:‘’，并相对定位为absolute，通过设置left ,top 值，改变width和和left来调节弧度。宽度需大于100%，将left设为（100%-宽度）/ 2，伪类宽度越接近100%，弧度越大。

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS实现底部弧度效果--卡片样式</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .card-wrap {
            width: 100%;
            height: 188px;
            position: relative;
            z-index: -1;
            overflow: hidden;
        }

        .card-wrap:after {
            width: 130%;
            height: 168px;
            position: absolute;
            /* 将left设为（100%-宽度）/ 2 */
            left: -15%;
            top: 0;
            z-index: -1;
            content: '';
            border-radius: 0 0 50% 50%;
            background: linear-gradient(144deg, #da7b4d 0%, #57c2b8 100%);
        }

        .card-inner {
            position: absolute;
            bottom: 10px;
            width: 100%;


        }
        .card-info {
                margin: auto;
                width: 92%;
                height: 100px;
                display: flex;
                align-items: center;
                justify-content: center;
                background: #ffffff;
                box-shadow: 0 4px 8px 0 rgba(190, 195, 199, 0.5);
                border-radius: 8px;
            }
    </style>
</head>

<body>
    <div class="card-wrap">
        <div class="card-inner">
          <div class="card-info">内容</div>
        </div>
       
      </div>
</body>