JSFiddle - React, Tailwind, and code Playground

by Khalil Zhang

HTML

<div class="container">
    <div class="absolute">
        <div class="section"></div>
    </div>
    <div class="normal">
        <div class="l"></div>
        <div class="l1"></div>
    </div>
</div>

CSS

.container {
    width:400px;
    height:400px;
    margin:0 auto;
    position:relative;
    border:1px solid red;
}
.section {
    float: left;
    width: 59px;
    text-align: center;
    color: rgba(250, 250, 250, 0.8);
    font-family:"Signika Negative";
    font-size: 13px;
    line-height: 24px;
    font-weight: lighter;
    border-left: 1px dashed rgba(250, 250, 250, 0.2);
    height: 100%;
}

.absolute {
    position:absolute;
    left:0;
    top:0;
    height:100%;
    background:black;
}
.normal {
    width:300px;
    height:200px;
    overflow:hidden;
}
.l {
    width:300px;
    height:200px;
    background:yellow;
    float:left;
}
.l1 {
    width:350px;
    height:200px;
    background:gray;
    float:left;
}