align to vertical center of div code example

Example 1: css center

// example 1 
div { display: grid; place-items: center; }

// example 3
div{ display:flex; align-items:center; }

// example 3
div { width: 100%; margin: 0 auto; }

Example 2: center css elements

body{
  display: grid;
  place-items: center;
}