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