center text on div vertically code example

Example 1: css align items vertical center

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

Example 2: how to make the text vertically centered in css

/*attention, i used this code because i had to center a div with text in another div without text*/
div{
  position: relative;
  top: 25%;
  bottom: 25%;
}