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