<link href='https://fonts.googleapis.com/css?family=Roboto:400,700' rel='stylesheet' type='text/css'>
<div class="full-height"></div>
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html{
    font: normal 20px 'Roboto', sans-serif;
}


.full-height{
    width: 400px;
    margin: 0 auto;
    background-color: #8280ff;

    height: 100vh;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.