css position absolute center vertical code example

Example 1: center position fixed

.centered {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

Example 2: 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>