Python全栈页面100行代码实现弹幕效果

<style type="text/css">
    html, body {
        margin: 0px;
        padding: 0px;
        width: 100%;
        height: 100%;
        font-family: "微软雅黑";
        font-size: 62.5%;  /*100% 14px 62.5%  10px */
    }

    .boxDom {
        width: 100%;
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .idDom {
        width: 100%;
        height: 100px;
        background: #666;
        position: fixed;
        bottom: 0px;
    }

    .content {
        display: inline-block;
        width: 430px;
        height: 40px;
        position: absolute;
        left: 0px;
        right: 0px;
        top: 0px;
        bottom: 0px;
        margin: auto;
    }

    .title {
        display: inline;
        font-size: 4em;
        vertical-align: bottom;
        color: #fff;
    }

    .text {
        border: none;
        width: 300px;
        height: 30px;
        border-radius: 5px;
        font-size: 2.4em;
    }

    .btn {
        width: 60px;
        height: 30px;
        background: #f90000;
        border: none;
        color: #fff;
        font-size: 2.4em;
    }

    span {
        width: 300px;
        height: 40px;
        position: absolute;
        overflow: hidden;
        color: #000;
        font-size: 4em;
        line-height: 1.5em;
        cursor: pointer;
        /*不换行 强制一行显示*/
        white-space: nowrap;
    }
</style>