Media queries

eCommerce media queries

Since Bootstrap is developed to be mobile first, we use a handful of media queries to create sensible breakpoints for our layouts and interfaces. These breakpoints are mostly based on minimum viewport widths and allow us to scale up elements as the viewport changes.

Bootstrap primarily uses the following media query ranges — or breakpoints — in our source Sass files for our layout, grid system, and components.


Media queries as responsive breakpoints



          // Extra small devices (portrait phones, less than 576px)
          // No media query since this is the default in Bootstrap

          // Small devices (landscape phones, 576px and up)
          @media (min-width: 576px) { ... }

          // Medium devices (tablets, 768px and up)
          @media (min-width: 768px) { ... }

          // Large devices (desktops, 992px and up)
          @media (min-width: 992px) { ... }

          // Extra large devices (large desktops, 1200px and up)
          @media (min-width: 1200px) { ... }

Media queries available via Sass mixins

Since we write our source CSS in Sass, all our media queries are available via Sass mixins:



          @include media-breakpoint-up(xs) { ... }
          @include media-breakpoint-up(sm) { ... }
          @include media-breakpoint-up(md) { ... }
          @include media-breakpoint-up(lg) { ... }
          @include media-breakpoint-up(xl) { ... }

          // Example usage:
          @include media-breakpoint-up(sm) {
            .some-class {
              display: block;
            }
          }

      

The other direction of responsive breakpoint queries

We occasionally use media queries that go in the other direction (the given screen size or smaller):



          // Extra small devices (portrait phones, less than 576px)
          @media (max-width: 575px) { ... }

          // Small devices (landscape phones, less than 768px)
          @media (max-width: 767px) { ... }

          // Medium devices (tablets, less than 992px)
          @media (max-width: 991px) { ... }

          // Large devices (desktops, less than 1200px)
          @media (max-width: 1199px) { ... }

          // Extra large devices (large desktops)
          // No media query since the extra-large breakpoint has no upper bound on its width

Media queries Sass mixins example

Once again, these media queries are also available via Sass mixins:



          @include media-breakpoint-down(xs) { ... }
          @include media-breakpoint-down(sm) { ... }
          @include media-breakpoint-down(md) { ... }
          @include media-breakpoint-down(lg) { ... }

      

Minimal and maximum media queries

There are also media queries and mixins for targeting a single segment of screen sizes using the minimum and maximum breakpoint widths.



          // Extra small devices (portrait phones, less than 576px)
          @media (max-width: 575px) { ... }

          // Small devices (landscape phones, 576px and up)
          @media (min-width: 576px) and (max-width: 767px) { ... }

          // Medium devices (tablets, 768px and up)
          @media (min-width: 768px) and (max-width: 991px) { ... }

          // Large devices (desktops, 992px and up)
          @media (min-width: 992px) and (max-width: 1199px) { ... }

          // Extra large devices (large desktops, 1200px and up)
          @media (min-width: 1200px) { ... }

      

Minimal - maximum media queries Sass mixins

These media queries are also available via Sass mixins:



          @include media-breakpoint-only(xs) { ... }
          @include media-breakpoint-only(sm) { ... }
          @include media-breakpoint-only(md) { ... }
          @include media-breakpoint-only(lg) { ... }
          @include media-breakpoint-only(xl) { ...
      

Media queries multiple breakpoints widths

Similarly, media queries may span multiple breakpoint widths:



          // Example
          // Apply styles starting from medium devices and up to extra large devices
          @media (min-width: 768px) and (max-width: 1199px) { ... }

      

The Sass mixin for targeting the same screen size range would be:



        @include media-breakpoint-between(md, xl) { ...
      

Usage of media queries within panels

Resize the screen to see the effect of media queries.

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                  sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga.</p>
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              <div class="card-body">
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              </div>
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          @media (max-width: 767px) {
            .column {
                width: 100%;
            }
        }
        @media (min-width: 768px) and (max-width: 1024px) {
            .column {
                width: 50%;
            }
        }
        @media (min-width: 1025px) {
            .column {
                width: 25%;
            }
        }