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