*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-family-primary);line-height:1.6}body,html{color:var(--text-primary)}body{background:var(--bg-primary)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-heading);line-height:1.2}button{font-family:inherit}