This paragraph will have a margin bottom of 1rem/16px at large screens.
{: .mb-lg-4 }

This paragraph will have 2rem/32px of padding on the right and left at all screen sizes.
{: .px-6 }

This button will be hidden until medium screen sizes:

[ A button ](#url)
{: .d-none .d-md-inline-block }

These headings will be `inline-block`:

### heading 3
{: .d-inline-block }

### heading 3
{: .d-inline-block }

In Markdown, use the `{: }` wrapper to apply custom classes:

Font size 1
{: .fs-1 }
Font size 2
{: .fs-2 }
Font size 3
{: .fs-3 }
Font size 4
{: .fs-4 }
Font size 5
{: .fs-5 }
Font size 6
{: .fs-6 }
Font size 7
{: .fs-7 }
Font size 8
{: .fs-8 }
Font size 9
{: .fs-9 }
Font size 10
{: .fs-10 }

In Markdown, use the `{: }` wrapper to apply custom classes:

Font weight 300
{: .fw-300 }
Font weight 400
{: .fw-400 }
Font weight 500
{: .fw-500 }
Font weight 700
{: .fw-700 }

In Markdown, use the `{: }` wrapper to apply custom classes:

No Line height
No Line height
{: .lh-0 }

Tight line height
Tight line height
{: .lh-tight }

Default line height
Default line height
{: .fh-default }