css make items center code example

Example 1: center a div in css

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

Example 2: align items center css

.parent_div
{
  display:flex;
  align-items:center;
}

Example 3: how to align a component in the middle of page

div {
	width: 100px;
	height: 100px;
	background-color: red;
	
	position: absolute;
	top:0;
	bottom: 0;
	left: 0;
	right: 0;
  	
	margin: auto;
}