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