how to adjust the image size in css code example

Example 1: make images same size css

img {
    float: left;
    width:  100px;
    height: 100px;
    object-fit: cover;
}

Example 2: css image size adjust

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) */
}

Example 3: css change image width

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

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

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