@media (max-width: 1000px) { /* Do some mobile processing here */ } html, body, .rootContainer { font-family: Arial, Helvetica, sans-serif; position: relative; margin: 0; /* Override the default page border */ padding: 0; color: #000; background-color: #fff; } a { font-weight: 600; text-decoration: none; color: #000; } .centreColumn { position: relative; width: 800px; min-height: calc(100vh - 120px); margin-left: calc(50vw - 400px); padding-top: 120px; } .headerContainer { line-height: 70px; position: fixed; z-index: 10; top: 0; width: 100vw; height: 70px; vertical-align: middle; color: #fff; } .centreHeaderContainer { position: relative; width: 800px; height: 70px; margin-right: auto; margin-left: auto; } .titleAndTagline { font-weight: normal; display: inline-block; height: 70px; padding-right: 20px; padding-left: 20px; vertical-align: baseline; color: #fff; background-color: #000; } .title { font-size: 22pt; } .tagline { font-size: 10pt; } .navButtons { float: right; } .navButtons a { display: block; float: left; width: 60px; height: 100%; margin: 0; padding-right: 10px; padding-left: 10px; text-align: center; color: #fff; background-color: #000; } .navButtons a.current { color: #000; background-color: #fff; box-shadow: inset 0 -10px 0 0 #000; /* Box shadow hack to get an inset border */ } .footerContainer { position: absolute; bottom: 0; width: 100%; height: 100px; } .sidebar { position: absolute; top: 120px; right: -200px; width: 200px; }