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