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