# CSS 叠加效果

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body,
      html {
        height: 100%;
      }
      * {
        margin: 0;
        padding: 0;
      }
      image {
        display: block;
        width: 100%;
        height: 100%;
      }
      input {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        mix-blend-mode: hue;
      }
    </style>
  </head>
  <body>
    <input type="color" />
    <img src="https://t7.baidu.com/it/u=3301366565,1952321188&fm=193&f=GIF" />
  </body>
</html>
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body,
      html {
        height: 100%;
      }
      * {
        margin: 0;
        padding: 0;
      }
      image {
        display: block;
        width: 100%;
        height: 100%;
      }
      input {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        mix-blend-mode: hue;
      }
    </style>
  </head>
  <body>
    <input type="color" />
    <img src="https://t7.baidu.com/it/u=3301366565,1952321188&fm=193&f=GIF" />
  </body>
</html>