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