.grid-row{background:#fff}.grid-col{background:#20a0ff;padding:.5rem 1rem;text-align:center;color:#fff}.grid-col:nth-of-type(2n+1){background-color:#7cbce9}.grid-row-nest>.grid-col{padding:0}#first{position:relative;background:blue}#first>.grid-col:first-child{color:black}#nest{padding:0;position:absolute;top:0;left:0;opacity:.5;z-index:2;background:#fff}#nest .grid-row-nest{margin:0}#nest .grid-col:nth-of-type(2n+1){background:rgba(0,0,0,0.6);padding:.5rem}#nest .grid-col:nth-of-type(2n){background:rgba(0,0,0,0.3);padding:.5rem}