make text vertically centered in div code example

Example 1: css align center

//HTML

	Hello World


//CSS
.parent {
  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: center with css

.parent {
  position: relative;
}
.child {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

Example 4: css vertical center

/*Remove comment to become a better programmer. */
/* 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 5: 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%;
}

Example 6: vertical align center text inside div

.center {
  height: 309px;
  line-height: 309px; /* same as height! */
}