/* One content rail for the homepage and its footer. */
html body.att-ui-app{--home-content-width:min(var(--mx,1400px),calc(100% - 64px))}
html body.att-ui-app main>.shell,
html body.att-ui-app main .proof>.shell,
html body.att-ui-app main .kf-lab>.shell,
html body.att-ui-app main .home-guide,
html body.att-ui-app footer.site>.shell{width:var(--home-content-width)!important;max-width:none!important;margin-left:auto!important;margin-right:auto!important}
@media(max-width:600px){html body.att-ui-app{--home-content-width:calc(100% - 28px)}}