/* PREVIEW 1 */
.box1 {
    width: 100px;
    height: 100px;
    background-color: skyblue;
}
/* PREVIEW 1 */

/* PREVIEW 2 */
.box2 {
      width: 50px;
      min-width: 100px;
      height: 50px;
      min-height: 100px;
      background-color: lightcoral;
    }
/* PREVIEW 2 */

/* PREVIEW 3 */
.box3 {
      width: 200px;
      max-width: 150px;
      height: 200px;
      max-height: 150px;
      background-color: lightgreen;
    }
/* PREVIEW 3 */