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