how to align items to center code example

Example 1: css center image

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

Example 2: how to make a division center css

position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);

Example 3: how to align items in css

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

Example 4: align items center css

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