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