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

• display: grid creates a grid layout
• justify-content: center centers the child horizontally.
• align-items: center centers the child vertically.

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

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