.syntax-theme-base .css .selector { color: #458; font-weight: bold; } .syntax-theme-base .css .property { color: teal; } .syntax-theme-base .css .color-box { position: relative; } .syntax-theme-base .css .color-box .sample { border: 1px solid #000; position: absolute; left: 0.2em; right: 0.2em; top: 0.2em; bottom: 0.2em; }