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