Flexbox centering

Horizontally and vertically centers a child element within a parent element using flexbox.

• Use display: flex to create a flexbox layout.
• Use justify-content: center to center the child horizontally.
• Use align-items: center to center the child vertically.

<div class="flexbox-centering">
  <div>Centered content.</div>
</div>

.flexbox-centering {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100px;
}