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