content in the center vertically and horizontally css code example

Example 1: css center horizontally and vertically

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

Example 2: center align an image css

<img src="myImg.png" class="center">

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}