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