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