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