What is the CSS property used to control the visibility of an element?Optionsdisplayvisibilityhiddenopacity

Which CSS property is used to set the opacity of an element?Optionstransparencyvisibilityfilteropacity

How can you make an element invisible but still take up space in the layout using CSS?Optionsvisibility: hidden;opacity: 0;position: absolute;display: none;

Which CSS selector selects the first element that is hidden or invisible?Question 9Answera.:hiddenb.:visiblec.:display-noned.:not-visible

What is the CSS property used to create shadows behind elements?Optionsshadow-effectelement-shadowtext-shadowbox-shadow

Which CSS feature helps in hiding elements on smaller screens in responsive design?0.5 Marksdisplay: none;visibility: hidden;hidden: true;opacity: 0;