Learning CSS (Video 24)

This video tutorial covers the various sizing options available in CSS, focusing on both absolute and relative sizing methods. It explains the limitations of using pixels for font sizes and introduces points as a more consistent alternative. The tutorial also delves into relative sizing techniques like EM and percentages, highlighting their flexibility in responsive design. Practical tips are provided for applying these concepts effectively in web development.

Why is using pixels for font sizes in CSS considered problematic?

• Pixels are too large for small screens.

• Pixels make text size dependent on screen resolution.

• Pixels are not a valid CSS unit.

• Pixels are not supported by all browsers.

Which of the following is an absolute sizing unit in CSS?

• EM

• Viewport Width

• Percentage

• Points

What is the main advantage of using points for font sizes?

• They are the default unit in CSS.

• They are easier to calculate than pixels.

• They ensure consistent appearance across different browsers.

• They adjust automatically to screen size.

How does the EM unit function in CSS?

• It is used for setting margins only.

• It sizes elements relative to the font size of their parent.

• It sets a fixed size for all elements.

• It scales elements based on the viewport size.

What happens when you set a font size using EM in a responsive design?

• The font size scales relative to the parent element's font size.

• The font size is fixed and does not change.

• The font size remains constant across all devices.

• The font size is ignored by the browser.

Which unit would you use to make a font size responsive to different screen sizes?

• EM

• Pixels

• Points

• Inches

Why might you avoid using less commonly supported sizing units in CSS?

• They are deprecated in the latest CSS standards.

• They can lead to inconsistent design across different platforms.

• They are not recognized by any browsers.

• They are only available in older versions of CSS.