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