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