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