html {
    height: 100%;
}

body {
    min-height: 100%;
    background-color: #f2f2f2;
}
.Page-Main {
    flex-basis: 0;
    min-width: 0px;
    flex-grow: 1;

    /* We might have visible overflow (ie. content that intentionally flows into margin of .Page-Main-Inner; eg. message connectors). This overflow should not cause page to scroll horizontally. */
    contain: layout;
}

/* mobile */
@media not all and (min-width: 1200px) {
    .desktop-only {
        display: none !important;
    }
}
/* desktop */
@media(min-width: 1200px) {
    .mobile-only {
        display: none !important;
    }
}
/* desktop AND hover is supported */
@media (hover: hover) and (min-width: 1200px) {
    .mobile-or-no-hover-only {
        display: none !important
    }
}
/* small screen OR hover not supported */
@media not ((hover: hover) and (min-width: 1200px)) {
    .desktop-and-hover-only {
        display: none !important
    }
}