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