how to change the height of an image in css

squareImage {
  border: 1px solid #ddd;	/* thickness and color of border */
  border-radius: 4px;		/* edge rounding of border */
  width: 150px;				/* width of image (px or % or auto) */
  height: auto;				/* height of image (px or % or auto) */
}

div {
  height: 
200px;
  width: 50%;
  background-color: powderblue;
} 

/*Search Term: "CSS change image height"*/

img {
  height: /*Add height here*/;
}

/*Example*/
img {
  height: 200px;
}