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