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