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