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