Mastering HTML5 and CSS3 Concepts

What is the purpose of the

element in HTML5?

• The

  element is used to define the main content of a webpage.

• The

  element is used to include scripts and styles in an HTML document.

• The

  element is used to define a header for a document or section.

• The

  element is used to create a footer for a document or section.

Which HTML5 element is used to define navigation links?

What does the

element represent in HTML5?

• A section of a webpage that contains navigation links.

• A placeholder for images and multimedia content.

• A container for styling elements with CSS.

• A self-contained composition in a document, such as a blog post or news article.

How do you create a responsive layout using CSS3 Flexbox?

• Set display: block on the container and use margin for spacing.

• Use CSS3 Flexbox by setting display: flex on the container and adjusting properties like flex-direction, flex-wrap, justify-content, and align-items for responsiveness.

• Apply float properties to elements for responsiveness.

• Use CSS Grid instead of Flexbox for all layouts.

What property is used to align items in a Flexbox container?

• align-items

• flex-direction

• justify-content

• flex-wrap

Which CSS property controls the spacing between flex items?

• border

• padding

• margin

• gap

What is the function of the

element in HTML5?

• The element is used to display images on a webpage.

• The element is used to collect user input and submit it to a server.

• The element is for creating tables in HTML.

• The element is used to style text with CSS.

How can you ensure a text input field is required in an HTML5 form?

• Set the type to 'text' for required fields.

• Use JavaScript to validate the input field.

• Add the 'optional' attribute to the element.

• Add the 'required' attribute to the element.

What attribute is used to specify a pattern for input validation in HTML5?

• regex

• validate

• check

• pattern

How do you create a multi-column layout using Flexbox?

• Set display: grid; and grid-template-columns: auto; on the container.

• Use float: left; on child items to create columns.

• Set display: flex; and flex-wrap: wrap; on the container, then define width for child items.

• Apply margin: auto; to the container for spacing.