JSFiddle - React, Tailwind, and code Playground

by phloe

HTML

<h3>Solution 1</h3>
<div class="parent">
    <div class="left"><span class="wat">left<br/>world</span></div>
    <div class="right"><span class="wat">right</span></div>
</div>
<h3>Solution 2</h3>
<div class="parent2">
    <div class="left"><span class="wat">left<br/>world</span></div>
    <div class="right"><span class="wat">right</span></div>
</div>
<h3>Solution 3</h3>
<div class="parent3">
    <div class="left"><span class="wat">left<br/>world</span></div>
    <div class="right"><span class="wat">right</span></div>
</div>

CSS

body {
    font-family: Arial, sans-serif;
}
.left {
    background: green;
    text-align: right;
}
.right {
    background: blue;
}
.wat {
    display: block;
    padding: 20px;
}

/* Solution 1 */
.parent {
    overflow: hidden;
    margin-bottom: 10px;
    color: white;
}
.parent .left {
    float: left;
    width: calc(100% - 100px);
}
.parent .right {
    float: left;
    width: 100px;
}

/* Solution 2 */
.parent2 {
    position: relative;
    color: white;
}
.parent2 .left {
    width: 100%;
    box-sizing: border-box;
    padding-right: 100px;
}
.parent2 .right {
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
}
/* Solution 2 */
.parent3 {
    display: table;
    color: white;
    width: 100%;
}
.parent3 .left,
.parent3 .right {
    display: table-cell;
}
.parent3 .right {
    width: 100px;
}