.aui-header {
    background: #104477;
    border-bottom: 1px solid #365677;
    color: #fff;
    padding: 0 10px;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.clearfix:after {
   content: " "; /* Older browser do not support empty content */
   visibility: hidden;
   display: block;
   height: 0;
   clear: both;
}