html { font-size: 62.5%;} 
* { margin:0; padding:0; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; font-weight:normal; -webkit-box-sizing:border-box; -moz-box-sizing:border-box; -ms-box-sizing:border-box; box-sizing:border-box; text-decoration:none;}
a img { border:none;}
.clearfix { display: block;}
.clearfix:after { content: "."; visibility: hidden; display: block; height:0; clear: both;}
.content-section { max-width:1100px; margin: auto; padding: 20px;}