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