how to center a box code example

Example 1: center a div in css

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

Example 2: css align items vertical center

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

Example 3: centering horizontally

div.center{display:block;margin:auto;width:50%;}
p.center{text-align:center;}

Example 4: how to center a div

<div class="container">
  <div class="child"></div>
</div>