Bootstrap/site/content/docs/4.3/helpers/position.md

layout	title	description	group	toc
docs	Position	Use these helpers for quickly configuring the position of an element.	helpers	true

Fixed top

Position an element at the top of the viewport, from edge to edge. Be sure you understand the ramifications of fixed position in your project; you may need to add additional CSS.

{{< highlight html >}}

...

{{< /highlight >}}

Fixed bottom

Position an element at the bottom of the viewport, from edge to edge. Be sure you understand the ramifications of fixed position in your project; you may need to add additional CSS.

{{< highlight html >}}

...

{{< /highlight >}}

Sticky top

Position an element at the top of the viewport, from edge to edge, but only after you scroll past it. The .sticky-top utility uses CSS's position: sticky, which isn't fully supported in all browsers.

{{< highlight html >}}

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{{< /highlight >}}

Responsive sticky top

Responsive variations also exist for .sticky-top utility.

{{< highlight html >}}

Stick to the top on viewports sized SM (small) or wider

Stick to the top on viewports sized MD (medium) or wider

Stick to the top on viewports sized LG (large) or wider

Stick to the top on viewports sized XL (extra-large) or wider

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