#bg-grid{display:flex;flex-wrap:wrap;padding:0 4px;width:100%;height:100%;position:fixed;left:0px;top:0px;z-index:-100;opacity:.1;filter:grayscale(100%) brightness(70%)}.column{flex:16.6%;max-width:16.6%;padding:0}.column img{margin:0;vertical-align:middle;width:100%}