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