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