CSSCSS16 min read

CSS Height and Width

Control element size using width and height correctly.

David Miller
Dec 18, 2025
1,71359

You can control size of elements.

Example

.box {
  width: 300px;
  height: 150px;
  background: #ddd;
}

UI Preview
A gray box of fixed size appears.

Real world tip

Prefer max-width for responsive design.

#CSS#Beginner