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Bootstrap class: .mb-xl-auto

    <div class="mb-xl-auto p-1 bg-primary">Spaced Div</div>
    <div class="mb-xl-auto p-1 bg-info">Spaced Div</div>
    <div class="mb-xl-auto p-1 bg-primary">Spaced Div</div>

Preview

Spaced Div
Spaced Div
Spaced Div

Tips 💡

You don't need to remember all CSS classes. Just use the Bootstrap Editor instead.

More in Bootstrap Spacing

Bootstrap 4 & 5
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