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