html centering code example

Example 1: css center image

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

Example 2: css center horizontally and vertically

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

Example 3: centering in html

<style>
  element
  {
    text-align: center;
  }
</style>
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style.css
element
{
	text-align: center;
}