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