Answers for "how to center a div both horizontally and vertical"

center div horizontally and vertically

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

css center horizontally and vertically

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

center align div vertically and horizontally css

.parent{
	display: flex;
    justify-content: center;
  	align-items: center;
}
/* Child elements will be perfectly centered automatically */