純css3製做無限循環橫向滾動的文字廣告動畫

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>使用css3製做文字橫向無限循環滾動的動畫</title>
    <style>
  /**
      設置寬,溢出隱藏
  */
        .marquee-outer-wrapper{
            overflow: hidden;
            width: 80%;
        }
        .marquee-inner-wrapper{
            background: #eee;
            height: 40px;
            font-size: 14px;
            color: red;
            line-height: 40px;
            margin: 0 auto;
            white-space: nowrap;
            position: relative;
        }
  /* 須要將兩個文字內容同樣的span放在最右邊 */
        .marquee-inner-wrapper span{
            position: absolute;
            top: 0;
            left: 100%;
            height: 100%;
        }
  /* 定義第一個span的animation:時長 動畫名字 勻速 循環 正常播放 */
        .first-marquee{
            -webkit-animation: 25s first-marquee linear infinite normal;
            animation: 25s first-marquee linear infinite normal;
            padding-right: 70%;
        }
        @keyframes first-marquee {
            0% {
                -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0);
            }
     /* 向左移動 */
            100% {
                -webkit-transform: translate3d(-200%, 0, 0);
                transform: translate3d(-200%, 0, 0);
                display: none;
            }
        }
        .second-marquee{
    /* 由於要在第一個span播完以前就得出現第二個span,因此就延遲12s才播放 */
            -webkit-animation: 25s first-marquee linear 12s infinite normal;
            animation: 25s first-marquee linear 12s infinite normal;
            padding-right: 53%;
        }
        @keyframes second-marquee {
            0% {
                -webkit-transform: translate3d(0%, 0, 0);
                transform: translate3d(0%, 0, 0);
            }
            100% {
                -webkit-transform: translate3d(-200%, 0, 0);
                transform: translate3d(-200%, 0, 0);
                display: none;
            }
        }
    </style>
</head>
<body>
    <div class="marquee-outer-wrapper">
        <div class="marquee-inner-wrapper">
            <span class="first-marquee">使用css3製做文字橫向無限循環滾動的動畫使用css3製做文字橫向無限循環滾動的動畫使用css3製做文字橫向無限循環滾動的動畫</span>
            <span class="second-marquee">使用css3製做文字橫向無限循環滾動的動畫使用css3製做文字橫向無限循環滾動的動畫使用css3製做文字橫向無限循環滾動的動畫</span>
        </div>
    </div>
</body>
</html>
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