Restricting Height and Width

<div>
  Web design encompasses many different skills and disciplines in the production and maintenance of websites. The different areas of web design include web graphic design; user interface design (UI design); authoring, including standardised code and proprietary software; user experience design (UX design); and search engine optimization.
</div>

div {
  background-color: lightblue;
  height:100px;
}


div {
  background-color: lightblue;
  height:100px;
  max-height: 30px;
}
