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