【CSS】分享个纯CSS实现去除白底图效果的小技巧

news2024/9/23 17:25:44

效果

在这里插入图片描述

原理

技巧来源：Amazon的产品列表页

通过底色与遮罩层的透明度搭配实现，整体的"去白底"效果

代码

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>demo</title>
    <style type="text/css">
      .container {
        display: flex;
        gap: 10px;
        padding: 2%;
        background-color: #F7F7F7;
      }
      .product_picture {
        width: 300px;
        height: 300px;
      }
      .product_picture img {
        width: 100%;
        height: 100%;
      }
      .remove_white {
        position: relative;
      }
      /* 这部分是重点 */
      .remove_white::after {
        position: absolute;
        content: "";
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: #000; /* 重点 */
        opacity: 0.03; /* 重点 */
        pointer-events: none;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="product_picture">
        <img src="https://img95.699pic.com/xsj/0r/c0/ri.jpg%21/fh/300" alt="" />
      </div>
      <div class="product_picture remove_white">
        <img src="https://img95.699pic.com/xsj/0r/c0/ri.jpg%21/fh/300" alt="" />
      </div>
    </div>
    <div class="container">
      <div class="product_picture">
        <img src="https://img0.baidu.com/it/u=2465119442,2617596469&fm=253&fmt=auto&app=138&f=JPEG?w=750&h=500" alt="" />
      </div>
      <div class="product_picture remove_white">
        <img src="https://img0.baidu.com/it/u=2465119442,2617596469&fm=253&fmt=auto&app=138&f=JPEG?w=750&h=500" alt="" />
      </div>
    </div>
  </body>
</html>