.shell{--shell-max-width:166rem;--shell-gutter:4.2rem;margin-inline:auto;max-width:calc(var(--shell-max-width) + var(--shell-gutter)*2);padding-inline:var(--shell-gutter);width:100%}@media (max-width:767px){.shell{--shell-gutter:2.5rem}}.shell--fluid{max-width:none}