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