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A Comprehensive Guide to HTML5 & CSS3 for Beginner Web Designers

A Comprehensive Guide to HTML5 & CSS3 for Beginner Web Designers

Introduction to HTML5 & CSS3

Designing a website from scratch can feel like a daunting task. But with the right tools, you can create a website that looks and works exactly the way you want.

HTML5 andCSS3 are the tools of choice for building modern webpages. Whether you are a beginner or a seasoned web designer, understanding HTML5 and CSS3 is essential for achieving great web design results.

This comprehensive guide provides an introduction to HTML5 & CSS3 for beginner web designers. It covers HTML5 syntax, do types, elements, and APIs, as well as CSS3 syntax, selectors, properties, and animations.

By the end of this guide, you will have the knowledge and skills to create beautiful, functional websites. Let's get started!

HTML5 Syntax

is the language used to write content for webpages. It includes elements such as headings, lists, images, tables and more. HTML5 syntax is made up of tags, which are used to define and structure webpages. The tag names are case-insensitive and all tags must be closed. Tags should be properly nested and indented for easier readability. Elements such as images and tables should include proper attributes, including alt text and captions. Attributes should be properly quoted and should include closing slash when needed. HTML5 also includes new features such as custom data attributes, which allow for more complex interactions. Understanding the syntax used for HTML5 will provide you with the basic skills needed to create effective web pages.

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HTML5 Doctypes

A doctype, or document type declaration, is an instruction to the web browser about which version of HTML the document is written in. For HTML5 documents, the doctype is a simple tag included at the beginning of the code. It should include the string “". This doctype is short and does not require a reference to a URL like most other HTML doctypes. The other doctypes such as HTML 4.01 or XHTML 1.0 are no longer used. HTML5 doctypes are null, meaning they do not require a system identifier. They are also completely case-insensitive and can be written in either uppercase or lowercase.

HTML5 Elements

HTML5 includes a set of elements and attributes that allow web designers to create websites with a modern, responsive design. The language includes structural and semantic elements such as


, and

. It also includes multimedia elements such as and , as well as form elements like and . Additionally, some elements are specific to HTML5, such as the element, which is used to draw graphics and render animated content. When using HTML5, designers should include the new elements as appropriate and use them to create a standard semantic structure. Doing this will increase the accessibility and usability of your website.


The new HTML5 APIs (Application Programming Interfaces) allow web developers to expand browser capabilities and create powerful applications. They include APIs for audio, video, forms, multi-media, graphics, 3D, geolocation, and drag/drop. With these APIs, developers can create interactive web pages and applications with features like drag and drop, animation, video, and audio. Additionally, the APIs allow for advanced features, such as geolocation, and the ability to draw 3D shapes. With the support of new HTML5 APIs, web developers can create web applications with greater ease and more options than ever before.

CSS3 Syntax

is the syntax used to create rules for websites written in HTML5 and CSS3. It is generally written in a file called a stylesheet, which is saved in a .css file. It provides instructions for the browser on how to render the HTML5 documents correctly.

CSS3 Syntax uses the same basic principles used in CSS2 Syntax. It is composed of three elements: selectors, properties, and values. Selectors target HTML elements such as or and are used to select which element(s) the properties will be applied to. Properties describe the behavior or appearance of the element(s) and a set of values are used to specify the exact behavior or appearance. The combination of selectors, properties, and values is what makes up the CSS3 Syntax.

When writing CSS3 Syntax, it is important to write the syntax accurately and clearly. This includes including white space, indentation, and comments to clearly separate sections and make it easier to read. In addition, syntax should be tested regularly to ensure that it works as intended.

CSS3 Selectors

CSS3 selectors allow for more precise targeting of HTML elements to be styled with CSS. null Null selectors are often used to target specific elements, such as a heading tag or an anchor tag, in order to style them differently from the surrounding elements. Additionally, CSS3 selectors can be used to target elements based on their id or class, as well as their surrounding elements such as their parent, child, or sibling elements. CSS3 selectors also make it easier to target elements based on their attribute values. With the right knowledge, a beginner web designer can start using CSS3 selectors right away to style and create a website.

CSS3 Properties

CSS3 allows web designers to create the look and feel of their websites and create a unified look and feel across all documents. There are a variety of properties available to designers when working with CSS3, including animation, color gradients, transitions, and more. Each of these properties can enhance the overall design and user experience of a website.

CSS3 also offers media queries, which allow designers to target specific styles to particular devices or screen sizes. This ensures that the website looks great no matter what device the user is using.

Finally, CSS3 also supports the use of numerous different elements, such as Flexbox and Grid, helping to make the process of creating complex layouts easier and more efficient.

Overall, CSS3 allows web designers to create more functional and aesthetically pleasing websites with ease.

CSS3 Animations

CSS3 provides web developers with the ability to create beautiful and engaging animations on their websites. Animations can be based on changes in the size, position, or rotation of an object and can range from simple fading effects to complex 3D animations. To create an animation in CSS3, you will need to include the @keyframes rule. This rule contains the information that will control the animation, such as the starting and ending properties of the animation and the length of time over which the animation should occur. To apply the animation to an element, you will need to include the animation-name property with the name of the @keyframes rule as the value. CSS3 animations can often be combined with other CSS3 features to create even more impressive effects.


In conclusion, HTML5 and CSS3 are essential tools for any beginner web designer. They are both powerful and versatile, and are constantly evolving to meet new development needs. When learning HTML5 and CSS3, it’s important to start small and build your skills until you’re able to create complex webpages. By following this comprehensive guide, you’ll be able to master the basics of HTML5 and CSS3, allowing you to create beautiful, effective websites with ease.

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