#content pre { background: ghostwhite; padding: 0.5em; border-left: 0.2em solid silver; } #content table { border-spacing: 0; border-collapse: collapsue; } #content th, #content td { text-align: left; padding: 0.2em 0.5em; } #content tbody:nth-child(2n) { background: #fafafa; }