Multiple two-class selectors in Sass

try this:

body{
   &.shop, &.contact, &.about, &.faq {
        background-color:#fff;
    }
}

In this case we can use @each directive:

$pages: shop, contact, about, faq;

body {
  @each $page in $pages {
    &.#{$page} {
      background-color:#FFF;
    }
  }
}

sassmeister.com

body {
    &.shop, &.contact {
        // Styles here...
    }
}

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