Learning CSS (Video 4)

This video tutorial introduces CSS attributes, focusing on setting multiple properties using the style attribute. It explains the concept of pixels and DPI, and how they relate to screen resolution. The tutorial covers setting margins and padding in CSS, highlighting the difference between them. It encourages viewers to experiment with CSS properties and prepare for the next lesson, which will focus on creating CSS rules.

Why is it important to use a semicolon when defining multiple CSS properties?

• It separates different properties within the style attribute.

• It marks the end of the CSS file.

• It is required for the browser to recognize CSS.

• It helps in debugging CSS code.

What does 'px' stand for in CSS, and why is it commonly used?

• Points, because they are a standard unit in typography.

• Percentage, because it scales with the parent element.

• Pixels, because they provide a relative measurement based on screen resolution.

• Pixels, because they are an absolute measurement.

How does DPI affect the display of images and elements on a screen?

• Lower DPI means higher resolution and more vivid images.

• DPI does not affect the display of images.

• Higher DPI means higher resolution and more vivid images.

• Higher DPI means lower resolution and less vivid images.

What is the main difference between margin and padding in CSS?

• Padding is internal to an item, margin is external.

• Margin is internal to an item, padding is external.

• Both margin and padding are internal to an item.

• Both margin and padding are external to an item.

Why is it encouraged to experiment with different CSS properties?

• To make the website look more complex.

• To understand the intuitive nature of CSS properties.

• To increase the file size of the CSS.

• To avoid using standard CSS properties.