Very Short Question and Answers - Dimension and Layout

The height property is used to set how tall an element is on a webpage.

div {
  width: 300px;
}

Common units include pixels (px) for fixed size, percentage (%) for relative size, and auto for default size based on content or browser decision.

Width controls the horizontal size of an element, while height controls the vertical size.

The float property moves an element to the left or right, allowing other content to wrap around it. Common values are left, right, and none.

img {
  float: left;
}

The text wraps around the image on the left side.

The default value is none, which means the element does not float.

It means the div’s height will be 50% of its parent element’s height.

Because content inside may overflow if the height is too small to contain it.

div {
  width: 300px;
  height: 150px;
  float: right;
}

No, height applies only to block-level elements such as div, p, h1, etc.

The value auto allows the browser to decide the element's height automatically.

Percentage values set the size relative to the parent element’s width or height.

A common use case is floating an image so that the text wraps around it, like placing an image to the left or right in a paragraph.

No, float does not center elements; it only moves elements to the left or right.

CSS example:

selector {
  width: 80%;
  height: auto;
}

This sets the element's width to 80% of its parent and height adapts automatically based on content.

The image moves to the left side of the paragraph, and the paragraph text flows on the right side of the image.

It means the div spans the entire width of its parent container and has a fixed height of 200 pixels.

Clear values and semicolons ensure the CSS code is correctly interpreted by the browser, preventing errors and unexpected behavior.