:root{--secondary:#444;--max-page-content-width:1200px;--max-mobile-size:550px;--max-tablet-size:990px;--min-desktop-size:1200px}*{box-sizing:border-box;margin:0;padding:0}.app-wrapper{margin:0 auto;max-width:var(--max-page-content-width);width:100%}