body{background-color:#edc53f}#container{width:374px;height:auto;display:block;margin:0 auto;background-color:#001f3f;padding:0 10px;user-select:none;-webkit-user-select:none}.grid-row{border-top:1px solid #eee;height:50px;padding:10px 0}.grid-cell{border-radius:50%;background-color:#edc53f;width:50px;height:100%;display:inline-block}.grid-cell.red{background-color:red}.grid-cell.black{background-color:#000}