how to vertically align in css code example

Example 1: css vertical align middle

/* Flex */
.center {
  	display: flex;
  	justify-content: center;
  	align-items: center;
}
/* Without Flex */
.parent {
  	position: relative;
}
.child {
  	position: absolute;
  	top: 50%;
  	transform: translateY(-50%);
}

Example 2: css vertical align

.top-align {
	vertical-align: top;
}  

.center-align {
  	vertical-align: middle;
}