vertical align div position absolute code example

Example 1: position absolute vertical center

<style>
.parent { position: relative; }
.centered-element {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
  
</style>

<div class="parent">
 <div class="centered-element">I'm Centered!</div>
</div>

Example 2: vertically and horizontally center a fixed div

// you dont need to know the divs dimensions and it does not require any container divs
position: fixed; 
top: 50%;
left: 50%;
transform: translate(-50%, -50%);