set a div to center of page code example

Example 1: center div in middle of page

.centered {
  position: fixed;
  top: 50%;
  left: 50%;
  /* bring your own prefixes */
  transform: translate(-50%, -50%);
}

Example 2: html css center text on page

<style>
body { background: white }
section {
  background: black;
  color: white;
  border-radius: 1em;
  padding: 1em;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%)
  }
</style>

<section>
  <h1>Nicely centered</h1>
  <p>This text block is vertically centered.
  <p>Horizontally, too, if the window is wide enough.
</section>

Example 3: center a div on screen

.class{
position: realtive;
text-align: center;
top: 50%;
transform:translateY(-50%);
}

Example 4: 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;
}