Modern Web Design with HTML5, CSS3, and JavaScript - Working of Cascading Style Sheets (CSS) Selector Specificity

The video tutorial explains CSS specificity, focusing on how different selectors like tags, classes, IDs, and inline styles affect the styling of elements. It covers the order of precedence, the role of the universal selector, and the impact of using !important. The tutorial also highlights best practices for using classes over tags and the implications of using IDs.

What happens when a background color is applied to both an anchor tag and its parent list item?

• The list item's color takes precedence.

• The anchor tag's color takes precedence.

• Both colors are applied simultaneously.

• Neither color is applied.

Which selector has the least specificity in CSS?

• Tag selector

• ID selector

• Class selector

• Universal selector

How does an inline style affect the specificity of an element?

• It increases the specificity, overriding other styles.

• It has no effect on specificity.

• It decreases the specificity.

• It only affects the parent element.

What is the effect of using the important keyword in CSS?

• It only applies to inline styles.

• It makes a style less important.

• It decreases the specificity of a style.

• It increases the specificity, overriding other styles.

Which selector is more specific: an ID or a class?

• ID

• Universal

• Class

• Tag

Why are IDs not commonly used in CSS styling?

• They are difficult to implement.

• They are less specific than classes.

• They are more specific and can override class styles, which can be undesirable.

• They are not supported in all browsers.

What tool can help calculate the specificity of CSS selectors?

• JavaScript Debugger

• HTML Checker

• Specificity Calculator

• CSS Validator