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