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