JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/7.0.0/normalize.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<div class="col-sm-12">
  <div class="f-group">
    <div class="f-item pull-left">
1
    </div>
    <div class="f-item pull-left">
2
    </div>
    <div class="f-item pull-left">
3
    </div>
    <div class="f-item pull-left">
4
    </div>
    <div class="f-item pull-left">
5
    </div>
  </div>
<div class="col-sm-12">

SCSS

.f-group {
	width: 100%;

	.f-item {
		width: calc(20% - 16px);
    margin-right: 20px;
    background-color: green;
    text-align: center;
    color: white;

		&:last-child {
			margin-right: 0;
		}
	}
}

.col-sm-12 {
  background-color: red;
  padding: 0;
}