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