1. 程式人生 > >CSS技巧收集——毛玻璃效果(深入理解濾鏡filter)

CSS技巧收集——毛玻璃效果(深入理解濾鏡filter)

   * {    margin: 0px;    padding: 0px;   }      html,   body {    font-size: 19px;    font-family: 'Verdana', 'Arial';    color: rgba(0, 0, 0, 0.8);    width: 100%;    height: 100%;   }      .main {    width: 100%;    height: 100%;    position: relative;    background: url(img/bg1.jpg) center top;    background-size
: cover;   }      .content {    width: 800px;    height: 400px;    position: absolute;    top: 50%;    left: 50%;    overflow: hidden;    margin-top: -200px;    margin-left: -400px;    border-radius: 10px;    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);    z-index: 100;    padding: 50px;    box-sizing: border-box;    /*不會把盒子撐開*/
   }      .content::before {    content: "";    position: absolute;    top: 0px;    left: 0px;    right: 0px;    bottom: 0px;    z-index: -1;    /*-1 可以當背景*/    -webkit-filter: blur(20px);    filter: blur(20px);    margin: -30px/*消除邊緣透明*/    background: url(img/bg1.jpg) center top;    background-size: cover;    /*平鋪*/
    background-attachment: fixed;    /*位置固定*/   }      .content h1 {    text-align: center;    margin-bottom: 20px;   }      .content p {    line-height: 1.7;    /*1.7倍行間距*/   }