HTML and CSS Certification 2025 – 400 Free Practice Questions to Pass the Exam

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What does the 'display: none;' CSS rule do?

It hides the element, and it does not occupy any space.

The 'display: none;' CSS rule effectively removes the specified element from the document's layout flow, meaning it is not displayed on the page and does not take up any space. This is a critical aspect of how the display property functions. When an element is set to 'display: none;', browsers do not render it visually, which can be useful for dynamically showing or hiding elements based on user interactions or conditions without affecting the layout of other surrounding elements. This differs from just hiding an element visually (which may still occupy space), as 'display: none;' means that the element is completely excluded from the flow, similar to it being deleted from the DOM. Understanding this allows for better management of layout and design in web development.

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It hides the element but still occupies space.

It makes the element visible.

It adds a border around the element.

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