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