r2c/user/themes/r2c/css-compiled/template.min.css

#page-wrapper #start{position:relative;display:-ms-inline-flexbox;display:inline-flex;width:100%;height:100%;-ms-flex-wrap:wrap;flex-wrap:wrap}#page-wrapper #start>div{width:500px;height:50%;text-align:center;outline:1px solid #ccc}#page-wrapper #start>div>div{width:10px;height:10px;background:red}