33. Which CSS property is used to create a border around an element?
- border
- border-color
- border-width
- border-style
34. Which of the following properties can be used to create a background gradient in CSS?
- background-color
- background-image
- background
- gradient-color
35. Which of the following CSS properties can be used to set the opacity of an element?
- opacity
- transparent
- visibility
- display
36. Which CSS property is used to change the order of flex items in a flex container?
- justify-content
- align-items
- order
- flex-wrap
37. Which property is used to rotate an element in 3D space?
- transform-origin
- transform
- transition
- animation
38. Which property is used to specify the number of columns an element should be divided into?
- grid-template-columns
- flex-wrap
- column-count
- columns
39. What is the purpose of CSS variables?
- To define media queries.
- To create page layouts with multiple columns.
- To apply animation effects to elements.
- To store and reuse values throughout a CSS stylesheet.
40. Which of the following CSS properties can be used to create a drop shadow effect for an element?
- box-shadow
- text-shadow
- shadow-effect
- drop-shadow
41. Which of the following CSS selectors will select all elements with the class "example"?
- #example
- .example
- *example
- example
42. Which of the following CSS properties is used to set the background color of an element?
- border-color
- color
- background-color
- fill-color