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