Element block pseudo-element :before generated with width 159px float none font-size 16px cursor default border 0px rgba(0,0,0,1) solid z-index auto background padding 20px display block transition height 0px box-sizing content-box margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius transform font-weight normal overflow hidden position fixed line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3)