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