Element block pseudo-class :hover generated with box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto background font-weight normal overflow hidden width 160px opacity 0.52 height auto float none margin 0px border 0px rgba(0,0,0,1) solid border-radius cursor default font-size 16px display block line-height 1 transition padding 20px position relative transform