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