align center div in div code example

Example 1: center div horizontally and vertically

.parent {
  position: relative;
}
.child {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

Example 2: how to center anything inside your container

display: grid;
    place-items: center;
    height: 100vh;

Example 3: how to center a div

.container {
  ...
  display: flex;
  justify-content: center;
}

Example 4: how to center a div

<div class="container">
  <div class="child"></div>
</div>