how to put text box in center of page css code example

Example 1: center with css

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

Example 2: center text in css

.class {
	text-align: center;
}

Example 3: html center body

body {
  display:flex; flex-direction:column; justify-content:center;
  min-height:100vh;
}

Example 4: center text in div container

text-align: center

Example 5: how to align contents of div in center

1. Enclose the div that you want to center with a parent element 
(commonly known as a wrapper or container)

2. Set “text-align: center” to parent element.

3. Then set the inside div to “display: inline-block”