helloworld_random.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Random Text</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
        body {
            margin: 0;
            text-align: center;
            background-color: #1c031a;
        }

        .wrapper {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 90%;
            font-size: 0;
            -webkit-transform: translate(-50%,-50%);
                    transform: translate(-50%,-50%);
        }

        .letter {
            width: 64px;
            display: inline-block;
            vertical-align: middle;
            position: relative;
            overflow: hidden;
            margin: 0 0;
            font-family: sans-serif;
            font-size: 64px;
            font-weight: 600;
            line-height: 64px;
            text-transform: uppercase;
            color: #f8f8f8;
            text-shadow: 3px 4px 0 rgba(0, 0, 0, 0.1);
        }
        
        .letter:before {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            word-break: break-all;
            background-color: #1c031a;
        }

        .letter:nth-child(1):before {
            content: "8512121523";
            margin-top: 0px;
            -webkit-animation-name: letter1;
                    animation-name: letter1;
            -webkit-animation-duration: 0s;
                    animation-duration: 0s;
            -webkit-animation-delay: 0.61s;
                    animation-delay: 0.61s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter1 {
            from {
                margin-top: 0px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter1 {
            from {
                margin-top: 0px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(2):before {
            content: "7196532408";
            margin-top: -128px;
            -webkit-animation-name: letter2;
                    animation-name: letter2;
            -webkit-animation-duration: 2.4533333333s;
                    animation-duration: 2.4533333333s;
            -webkit-animation-delay: 0.08s;
                    animation-delay: 0.08s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter2 {
            from {
                margin-top: -128px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter2 {
            from {
                margin-top: -128px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(3):before {
            content: "2930548716";
            margin-top: -1288px;
            -webkit-animation-name: letter3;
                    animation-name: letter3;
            -webkit-animation-duration: 1.2266666667s;
                    animation-duration: 1.2266666667s;
            -webkit-animation-delay: 0.54s;
                    animation-delay: 0.54s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter3 {
            from {
                margin-top: -128px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter3 {
            from {
                margin-top: -128px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(4):before {
            content: "2851760493";
            margin-top: -576px;
            -webkit-animation-name: letter4;
                    animation-name: letter4;
            -webkit-animation-duration: 3.24s;
                    animation-duration: 3.24s;
            -webkit-animation-delay: 0.1s;
                    animation-delay: 0.1s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter4 {
            from {
                margin-top: -576px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter4 {
            from {
                margin-top: -576px;
            }
            to {
                margin-top: 64px;
            }
        }
            
        .letter:nth-child(5):before {
            content: "0981475236";
            margin-top: -512px;
            -webkit-animation-name: letter5;
                    animation-name: letter5;
            -webkit-animation-duration: 0.7111111111s;
                    animation-duration: 0.7111111111s;
            -webkit-animation-delay: 0.8s;
                    animation-delay: 0.8s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter5 {
            from {
                margin-top: -512px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter5 {
            from {
                margin-top: -512px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(6):before {
            content: "5629703148";
            margin-top: -96px;
            -webkit-animation-name: letter6;
                    animation-name: letter6;
            -webkit-animation-duration: 1.888s;
                    animation-duration: 1.888s;
            -webkit-animation-delay: 0.41s;
                    animation-delay: 0.41s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter6 {
            from {
                margin-top: -96px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter6 {
            from {
                margin-top: -96px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(7):before {
            content: "4271305896";
            margin-top: -64px;
            -webkit-animation-name: letter7;
                    animation-name: letter7;
            -webkit-animation-duration: 0.46s;
                    animation-duration: 0.46s;
            -webkit-animation-delay: 0.77s;
                    animation-delay: 0.77s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter7 {
            from {
                margin-top: -64px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter7 {
            from {
                margin-top: -64px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(8):before {
            content: "3285674190";
            margin-top: 0px;
            -webkit-animation-name: letter8;
                    animation-name: letter8;
            -webkit-animation-duration: 0s;
                    animation-duration: 0s;
            -webkit-animation-delay: 0.98s;
                    animation-delay: 0.98s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter8 {
            from {
                margin-top: 0px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter8 {
            from {
                margin-top: 0px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(9):before {
            content: "0968437215";
            margin-top: -448px;
            -webkit-animation-name: letter9;
                    animation-name: letter9;
            -webkit-animation-duration: 0.105s;
                    animation-duration: 0.105s;
            -webkit-animation-delay: 0.97s;
                    animation-delay: 0.97s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter9 {
            from {
                margin-top: -448px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter9 {
            from {
                margin-top: -448px;
            }
            to {
                margin-top: 64px;
            }
        }
        
        .letter:nth-child(10):before {
            content: "4081759632";
            margin-top: -320px;
            -webkit-animation-name: letter10;
                    animation-name: letter10;
            -webkit-animation-duration: 0.0333333333s;
                    animation-duration: 0.0333333333s;
            -webkit-animation-delay: 0.99s;
                    animation-delay: 0.99s;
            -webkit-animation-fill-mode: forwards;
                    animation-fill-mode: forwards;
        }

        @-webkit-keyframes letter10 {
            from {
                margin-top: -320px;
            }
            to {
                margin-top: 64px;
            }
        }

        @keyframes letter10 {
            from {
                margin-top: -320px;
            }
            to {
                margin-top: 64px;
            }
        }

    </style>
</head>
<body>
    <div class="wrapper">
        <div class="letters">
            <span class="letter">h</span>
            <span class="letter">e</span>
            <span class="letter">l</span>
            <span class="letter">l</span>
            <span class="letter">0</span>
            <span class="letter">w</span>
            <span class="letter">o</span>
            <span class="letter">r</span>
            <span class="letter">l</span>
            <span class="letter">d</span>
        </div>
    </div>
</body>
</html>