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