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