Element block pseudo-class :hover generated with padding 20px font-weight normal box-sizing content-box position static font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid float none transition overflow hidden width 40px border-radius cursor default display block line-height 1 background height auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform margin 0px z-index auto