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