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