HTML Question & Answer Practice

CSS Practice – Questions & Answers

Beginner Level

CSS Q46. Reset CSS?

Removes default browser styles.

CSS Q47. Border radius?

border-radius: 10px;

CSS Q48. Width property?

width: 200px;

CSS Q49. Height property?

height: 100px;

CSS Q50. Background image?

background-image: url(img.jpg);

CSS Q51. Background repeat?

background-repeat: no-repeat;

CSS Q52. Center background image?

background-position: center;

CSS Q53. Object-fit?

Controls image fitting.

CSS Q54. rem vs px?

rem is relative; px is fixed.

CSS Q55. Visibility hidden?

Hides but keeps space.

CSS Q56. CSS variables?

Reusable values.

CSS Q57. Variable example.

:root { --main:red; }
color: var(--main);

CSS Q58. Calc()?

width: calc(100% - 50px);

CSS Q59. Aspect-ratio?

Maintains width-height ratio.

CSS Q60. Best practice?

Use external CSS & responsive design.