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