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