css center the body code example

Example 1: css center

/* this will center all children within the parent element. */
.parent {
  display: flex;
  justify-content: center; /* horizontal */
  align-items: center; /* vertical */
}

Example 2: html center body

body {
  display:flex; flex-direction:column; justify-content:center;
  min-height:100vh;
}