Element block pseudo-element :after generated with position static border-radius height auto display block margin 0px font-weight normal transition box-sizing content-box border 0px rgba(0,0,0,1) solid transform float none cursor default line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 160px z-index auto overflow hidden background box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px padding 20px