HTML and CSS Short Notes

HTML and CSS Short Notes

The websites, the online shops, and even the social media you are browsing were developed using two basic technologies, which are HTML and CSS. These are the fundamental aspects of web. We would not have the websites as we do today without them.

These jargons can be technical and can be intimidating to an individual who is unfamiliar with web development profession. The fact that HTML and CSS should be readable is a mere fact. They form the departure point of any individual who wishes to make the websites or understand how the internet functions in the background.

Throughout this paragraph, we will discuss what HTML and CSS is and how the two can be united and why they are the skills of the new digital era.

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What Is HTML?

HTML is also known as Hypertext Markup language. The contents will be organized in the language used on the web.

Assume that HTML is a support of a web page. It will define text on a page heading, paragraphs, images, links, buttons etc. HTML is not concerned with appearance. Instead, it is contentious and content-oriented.

On the example of HTML it tells the browser:

•           This is a heading

•           This is a paragraph

•           This is a list

•           This is an image

•           This is a link

It uses logical order in the presentation of contents that window shoppers understand.

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How HTML Works

The labeling of the contents is done in HTML. The labels are also written in bracket form like:

<h1>This is a heading</h1>

<p>This is a paragraph.</p>

Each tag has a purpose. The browser reads such labels and displays the information contained in them on the browser.

Most HTML elements have:

•           An opening tag

•           Content inside

•           A closing tag

The outline helps the browsers to comprehend the document in an appropriate manner.

The HTML files are tree structured. All this is incorporated in a large building:

•           Document type declaration

•           Head section (metadata)

•           Body section (body content)

All the information that may be viewed by the user is held by the body.

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Common HTML Elements

The following are the most popular HTML elements:

•           Headings (<h1> to <h6>) for titles

•           Paragraphs (<p>) for text

•           Links (<a>) for navigation

•           Images (<img>) for visuals

List (uni-, ol- and li).

•           Layout grouping (div) used.

To a certain extent, the contribution of each of the elements is taking place. HTML is not decorative it is significant. The HTML page is developed appropriately and improves access, search engine optimization (SEO) and readability.

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Why HTML Is Important

The necessity of the presence of HTML is that it gives structure to the internet. Without HTML:

Contents could not be displayed through browsers.

The pages could not be recognized by the search engines.

The accessibility tools failed to decipher information.

The Web pages would be disorganized and not readable.

It is human and machine friendly and the contents are organized using HTML.

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What Is CSS?

CSS is also known as the abbreviation of Cascading Style sheets. However, HTML can only provide structure and not control to appearance but CSS has the control of appearance.

CSS is the outfitting and design where the HTML is the frames of a web page.

CSS handles:

•           Colors

•           Fonts

•           Layout

•           Spacing

•           Animations

•           Responsive design

•           Visual styling

CSS would have the sites being plain looking and not styled viz. plain black and plain white.

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How CSS Works

CSS is grounded on the assumption of specifying the contents of the HTML and having certain styles.

For example:

p {

  color: blue;

  font-size: 18px;

}

This code tells the browser:

•           Make paragraph text blue

•           Set font size to 18 pixels

CSS selectors are used to apply the styles on the elements and the properties to which the style gets applied.

Styles can be applied:

•           Inline (inside HTML)

•           Inside a style block

•           Through external CSS files

Most professional sites utilize the external CSS files because there is no form of integration of the design and the contents. This makes the websites easy to maintain.

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The Meaning of “Cascading”

The second layer is referred to as cascading because the rules on CSS are extended. CSS has a rule hierarchy in which there are more than one style within a single element.

With this type of cascading behavior, the developers are able to:

•           Create reusable styles

•           Override styles when needed

•           Build consistent designs

It is a powerful system that permits the emancipation in the design control.

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Interaction of CSS and HTML.

CSS and HTML are designed for supplementary.

HTML says:

👉 “This is a heading.”

CSS says:

Bigger, bold and blue, have that.

Something has a meaning, and this is provided by HTML.

CSS defines how it looks.

These are grouped together into entire web pages.

A simple analogy:

•           HTML = structure of a house

CSS = interior decoration and house painting.

It dictates that the two must be in a position to generate a holistic outcome.

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The importance of Segregation.

The biggest benefits of the HTML and CSS include separation of concerns.

HTML handles content.

CSS handles presentation.

Suit websites are presented in the following division:

•           Easier to update

•           Faster to load

•           Cleaner to maintain

•           More accessible

•           More scalable

The developers would not have to make changes on the content and vice versa since they could make changes on the design.

It is among the largest reasons why the web is so much versatile.

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Responsive Design with CSS

Modern websites must work on:

•           Phones

•           Tablets

•           Laptops

•           Large screens

CSS makes it possible to create responsive design, where pages can change according to the size of the screen.

CSS provides websites with a nice appearance on any machine thanks to the flexible layouts, media queries and scalable units.

This is important in the modern mobile-first world.

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CSS Layout Systems

CSS  dynamic layouts:

Flexbox

One dimensional system of system of arranging items in a row or column.

Grid

A page structure building system based on a two dimensional layout system.

These tools enable the developers to develop modern designs without hacks or complex workarounds.

They create web designing that is more accurate and effective.

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The importance of Learning HTML and CSS.

Anyone who is interested in technology will have to use HTML and CSS.

They are useful for:

•           Web development careers

•           Freelancing

•           Personal websites

•           Blogging

•           Portfolio building

•           Digital marketing

•           UI/UX design

•           Startup projects

Basic knowledge is enough to customize websites and know the workings of online platforms.

They are easy to use and strong enough to develop professional systems.

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Misconceptions of the beginner.

Novices believe that HTML and CSS are programming languages. They are not comprehensive programming languages such as JavaScript or Python, but on the technical level are markup and styling languages.

There is no logic or algorithms in them. They put their emphasis on presentation and structure instead.

However, do not underestimate them, without learning HTML and CSS, it is impossible to proceed to advanced development.

The other myth is that web development is difficult to acquire. In real life, HTML and CSS are some of the least difficult points of entry into the technologies.

They are quick rewarding when it comes to practice hence learning is stimulating.

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The Evolution of Web Design

CSS and HTML have developed tremendously.

Initial web sites were plain and dull. Modern sites include:

•           Animations

•           Dynamic layouts

•           Interactive designs

•           Accessibility features

•           High-performance rendering

CSS now has animation, transformation, and graphic effects, which were once written complexly in scripts.

The web is becoming increasingly more powerful and yet user-friendly to newcomers.

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