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.
<div class="fixed-top">...</div>
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.
<div class="fixed-bottom">...</div>
Sticky top
Position an element at the top of the viewport, from edge to edge, but only after you scroll past it.
<div class="sticky-top">...</div>
Responsive sticky top
Responsive variations also exist for .sticky-top utility.
<div class="sticky-sm-top">Stick to the top on viewports sized SM (small) or wider</div>
<div class="sticky-md-top">Stick to the top on viewports sized MD (medium) or wider</div>
<div class="sticky-lg-top">Stick to the top on viewports sized LG (large) or wider</div>
<div class="sticky-xl-top">Stick to the top on viewports sized XL (extra-large) or wider</div>
<div class="sticky-xxl-top">Stick to the top on viewports sized XXL (extra-extra-large) or wider</div>
Sticky bottom
Position an element at the bottom of the viewport, from edge to edge, but only after you scroll past it.
<div class="sticky-bottom">...</div>
Responsive sticky bottom
Responsive variations also exist for .sticky-bottom utility.
<div class="sticky-sm-bottom">Stick to the bottom on viewports sized SM (small) or wider</div>
<div class="sticky-md-bottom">Stick to the bottom on viewports sized MD (medium) or wider</div>
<div class="sticky-lg-bottom">Stick to the bottom on viewports sized LG (large) or wider</div>
<div class="sticky-xl-bottom">Stick to the bottom on viewports sized XL (extra-large) or wider</div>
<div class="sticky-xxl-bottom">Stick to the bottom on viewports sized XXL (extra-extra-large) or wider</div>