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