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