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