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