Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML.CSS describes how elements should be rendered on screen and other media.

At first glance, CSS might seem overwhelming and frustrating to a beginner. But with learning, you will realize that it is very easy to use CSS properties.

There are many CSS properties that you can use: too many to learn them all the right way or even to remember or understand how they work.

Here are all the core CSS fundamentals you must learn as a beginner:

1. Learn general properties

• Font properties

• Text properties

• Color properties

• Linking CSS file: Inline, external and internal.

2. Positioning

• Static

• Relative

• Absolute

• Sticky

• Fixed

3. Box Model

• Border

• Margin

• Padding

• Box sizing

  Learn to use the shorthand of these properties.

4. Layouts: Flex-box and Grid

Understanding these two layouts are very important. Learn how these layouts work and which properties are implemented on parent and child elements.

5. Responsive units

• rem

• em

• max-width and min-width

• viewport-height and viewport-width

• percentage unit

6. Selectors, grouping selectors and combinators

Selectors

• Universal selector

• Type selector

• class selector

• id selector

• Attribute selector

• Grouping selectors

  Combinators

• Descendant combinator

• Child combinator

• general sibling combinator

• Adjacent sibling combinator

7. Pseudo-elements and classess

• ::After & ::Before

• : active

• : hover

• : nth-child

  Explore more on your own...

8. Centering using:

• margin

• Flexbox

• Grid

• Transform and translate

9. Inheritance

Which properties are inherited from the parent and which are not?

10. Display and visibility

Learn how to hide elements using these.

11. Z-index

The z-index property specifies the stack order of an element.

12. Transition

CSS transitions provide a way to control animation speed when changing CSS properties.

13. Animation

CSS animation is a feature of CSS that allows you to animate a change in one or more style properties of an element, as well as control various aspects of the animation.

14. Specificity

• Specificity determines, which CSS rule is applied by the browsers.

• Specificity is usually the reason why your CSS rules don’t apply to some elements, although you think they should.

15. Background and Background-image

Most of the time we use a background image on the different sections of a website.

Learn how to use backgrounds.

16. Media-queries

Media queries make the website responsive and allow you to apply CSS styles depending on a user’s device, browser or system settings.

17. Transform

The transform CSS property lets you rotate, scale, skew, or translate an element.

Conclusion:

So these are all the fundamental concepts that you must learn in CSS as a beginner. Having a core understanding of these concepts is necessary.

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