$primary-color: teal; html{ width: 100%; height: 100%; } body{ background: #666; } table{ border: 1px solid #666; } #main-nav{ img{ max-height: 40px; margin-right: 15px; } } #main-content{ padding: 1.5rem 2rem; background: white; border: 1px solid #bbb; border-radius: 12px; }