JSFiddle - React, Tailwind, and code Playground

by chovy

HTML

<div class="clearfix">
    <aside>foo</aside>
    <span><input type="text" value="Enter text" /></span>
</div>

CSS

.clearfix {
  *zoom: 1;
}

.clearfix:before,
.clearfix:after {
    display: table;
    content: "";
}
.clearfix:after {
    clear: both;
}

div {
    border: 1px solid red;
}

aside {
    display: block;
    width: 100px;
    background: #eee;
    float: left;
}

span {
    display: block;
    width: 100%;
    background: #ccc;
}

input {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #000;
}