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# Shadows

Add or remove shadows to elements with box-shadow utilities.

## Examples

While shadows on components are disabled by default in Bootstrap and can be enabled via `$enable-shadows`, you can also quickly add or remove a shadow with our `box-shadow` utility classes. Includes support for `.shadow-none` and three default sizes (which have associated variables to match).

No shadow
Small shadow
Regular shadow
Larger shadow
html

    <div class="shadow-none p-3 mb-5 bg-light rounded">No shadow</div>
    <div class="shadow-sm p-3 mb-5 bg-body rounded">Small shadow</div>
    <div class="shadow p-3 mb-5 bg-body rounded">Regular shadow</div>
    <div class="shadow-lg p-3 mb-5 bg-body rounded">Larger shadow</div>

## Sass

### Variables

    $box-shadow:                  0 .5rem 1rem rgba($black, .15);
    $box-shadow-sm:               0 .125rem .25rem rgba($black, .075);
    $box-shadow-lg:               0 1rem 3rem rgba($black, .175);
    $box-shadow-inset:            inset 0 1px 2px rgba($black, .075);

### Utilities API

Shadow utilities are declared in our utilities API in `scss/_utilities.scss`. Learn how to use the utilities API.

        "shadow": (
          property: box-shadow,
          class: shadow,
          values: (
            null: $box-shadow,
            sm: $box-shadow-sm,
            lg: $box-shadow-lg,
            none: none,
          )
        ),