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