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