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