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