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