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