Coding for Web Design 101: How HTML, CSS, and JavaScript Work

If you’re getting into Python for the first time, chances are you’ve researched various web frameworks. If not, click on over the Python wiki and start browsing the expansive variety… You may have seen “full-stack developer” on job applications or education sites. And maybe you’re wondering what exactly a full-stack developer does or how you can become a full-stack developer…. If you’re thinking of building a website its likely you’ve heard the terms “HTML” and “CSS,” but may be wondering how they’re different. They go hand-in-hand in building a webpage, but each serve a very unique purpose.

  • And, while each language has a different functional focus, they all work together to create exciting, interactive websites that keep users engaged.
  • Generally, both scripting languages have simple syntax rules, making them appropriate even for newbies creating their first blog.
  • While these three front end languages are all used to design websites, they each have their own specific uses and intricacies.
  • Most of the dynamic behavior you’ll see on a web page is thanks to JavaScript, which augments a browser’s default controls and behaviors.
  • Through CSS we separate the style/design from the content of the website, this improves content readability, and accessibility and provides more flexibility.
  • This is a relatively simplistic yet powerful programming language that allows web developers and website owners to create the structure of their websites.

On the other hand CSS is independent of HTML and will be usable with many of the markup languages which are XML-based. CSS is a style sheet language responsible for the presentation of documents written in a markup language. Cascading Style Sheets tell browsers how to display HTML tags. These style rules override the default display rules that browsers have for HTML tags.

CSS Padding

This article will discuss the significant differences between HTML and CSS. However, note that script and style includes from other files are not followed, the language support only looks at the content of the HTML file. I am taking a frontend course and today is the linking to CSS portion for me. I have come across a few methods of linking, but excelling is Merky M’s. I like the data used and so, from now on when I used the linking method I learned here today, I will call it the Merky M method of stylesheet linking. It is usually style or styles, I like that it is spelled out, it seems professional to me.


Some common elements and attributes used include the picture element, which allows developers to choose the most suitable image for the website for better display based on the user’s device. While HTML is a markup language, CSS is a style sheet language, meaning they don’t share the same formats and syntax rules. Although we had mentioned earlier that CSS completes the work of HTML, it doesn’t necessarily mean it’s dependent on it. CSS can be used on other markup languages if it supports XML. Looking at CSS, it also has basic syntax rules like HTML.

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This is a relatively simplistic yet powerful programming language that allows web developers and website owners to create the structure of their websites. If you want a sentence in a blog post to receive a bold font, HTML could be used to achieve this. When using this system, any text files can be tagged for effects, graphics, fonts, or colors.

How to Create a Custom Range Slider Using CSS — SitePoint – SitePoint

How to Create a Custom Range Slider Using CSS — SitePoint.

Posted: Thu, 18 May 2023 13:27:33 GMT [source]

The matching closing tag is inserted when / of the closing tag is entered. CSS breakpoints are values that determine how a website looks on different screen sizes. When visitors’ devices reach their breakpoints, the website… Check that your files are in the same folder if you have trouble linking your CSS to HTML. Check that the file path is correct if the CSS file is in a different folder.

There is another technical difference between the two options above.

So, if you have a complex website, CSS variables enable you to create a single value to be used at different stages on the page based on your preference. When it comes to web page building and design, Cascading Style Sheets and HyperText Markup Language are essential in ensuring you create an attractive and user-friendly page. CSS and HTML are basic programming languages that work together in the development of web applications and websites but have different roles. HTML HTML stands for Hyper Text Markup Language and it is the language that is used to define the structure of a web page. HTML is used along with CSS and Javascript to design web pages.


One of HMTL’s essential functions is text formatting, which allows you to format texts in various ways, such as bold, italics, underlining, highlighting, and different fonts. You can differentiate important points from the overall texts by changing formats. Apart from text formatting, HTML allows you to include hyperlinks in your web page which are vital because they direct users to other websites for reference or further reading. You can create the links using texts, images, or buttons, making it easy to include them at any stage in your web development. Long texts can be tiresome to read, so HTML allows web developers to create a list and draw tables on the website.

How do you comment in CSS?

This article will focus on external CSS to an HTML file linking as it changes the appearance of your entire website with just one file. We’ll also include a more detailed explanation of CSS and its benefits. In addition to being able to redefine how a browser should display HTML tags, you can also use CSS to target tags that are inside of other tags, like css web development a tag inside of an P tag for example. Additionally, you can assign classes and IDs to particular HTML tags and use CSS to target a tag based on these criteria as well. No doubt these explanations of the acronyms has completely enlightened you about what these languages are used for. But if you want more detailed information , continue reading below.

It’s also used to build mobile apps and create server-based applications. You can add JavaScript to an HTML document by adding these “scripts,” or snippets of JavaScript code, into your document’s header or body. Every page on the web that you visit is built using a sequence of separate instructions, one after another. Your browser is a big actor in translating code into something we can see on our screens and even interact with. It can be easy to forget that code without a browser is just a text file — it’s when you put that text file into a browser that the magic happens.


On the other hand, CSS is the extension to the HTML which modifies the design and display of the web pages. It has limited security features, so if you want to have an eCommerce or secure data, you’ll need to use additional programming languages. For those looking to obtain a college degree that will provide them with job opportunities in the fields of web development or programming, traditional four-year programs can be a great option. Computer science is one of the most popular degrees for those interested in web development, and it also includes courses involving HTML, CSS, JavaScript, and other programming languages.


A markup language is a group of markup tags which define the page structure. HTML is growing language which changes frequently, and a revised group of standards and specifications are brought permitting the simpler creation of appealing and more functional sites. For anyone interested in a career in web development, it’s imperative to understand these three front end languages. HTML, CSS, and JavaScript are the building blocks of nearly every website you’ve ever visited, and they are crucial to understanding how websites are built. Learning them requires a variety of skills and hands-on practice.

What is CSS?

HTML documents start with a DOCTYPE declaration that states what version of HTML is being used. This tells the browser how to read the code below it to render the page. If the webpage were written with a different markup language (i.e. XML, XHTML), it would tell you here. Fundamentally, then, a script or program is a set of instructions given to the computer. A document in a markup language determines how information is presented to a user.

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