set height to screen height css code example

Example 1: css window height

div {
    height: 100vh;
}

Example 2: css height of screen

/* For 100% screen height using viewport-percentage  */
height: 100vh;

Example 3: css window height

body, html {
  height: 100%;
}

#right {
  height: 100%;
}

Example 4: css window height

.left {
  height: 100vh;
  width: 50%;
  background-color: grey;
  float: left;
}

.right {
  height: 100vh;
  width: 50%;
  background-color: red;
  float: right;
}