align div middle vertically code example

Example 1: css vertical center

/* No Flexbox */
.parent {
  position: relative;
}
.child {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

/* With Flexbox */

.parent {
  display: flex;
  flex-direction: column;
  justify-content: 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%;
}