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