Frontend Development Fundamentals: HTML, CSS, and JavaScript
Reference sites: Can I Use, Modernizr, W3C
HTML Fundamentals
HTML (HyperText Markup Language) is a markup language used to define the structure of web content. It consists of a series of elements that render different effects on a webpage.
Document Structure
``: Declares the document type to the browser.
<html>: The root element containin ...
Posted on Mon, 05 Oct 2026 16:33:20 +0000 by vishal99
Comprehensive Guide to CSS Styling Fundamentals and Selectors
Understanding CSSCSS (Cascading Style Sheets) controls how HTML elements are visually presented. When a browser processes a stylesheet, it applies those rules to render the document accordingly.Syntax StructureA CSS rule consists of a selector and a declaration block. The declaration block contains property-value pairs, each terminated by a sem ...
Posted on Sun, 27 Sep 2026 16:11:06 +0000 by Matt Kindig
Dynamic HTML Element Manipulation with JavaScript and CSS
Click-Based Class Switching
Modern web development often requires interactive elements that respond to user actions. JavaScript combined with CSS provides a powerful mechanism for altering element properties in real-time.
HTML structure
<!DOCTYPE html>
<html>
<head>
<title>Interactive Element Demo</title>
</ ...
Posted on Fri, 25 Sep 2026 16:26:04 +0000 by theonewhotopes
CSS Blend Modes Explained
Background Blend Modes
Udnerstanding Blend Modes
According to the Wikipedia definition:
Blend modes in digital image editing and computer graphics determine how two layers are combined with each other. In most aplpications, the default blend mode simply hides the bottom layer with whatever exists in the top layer. Since each pixel contains num ...
Posted on Wed, 23 Sep 2026 16:07:04 +0000 by xtian
Advanced CSS: Specificity, Box Model, and Positioning
Selector Priority and Specificity
CSS rules apply based on priority, where higher specificity overrides lower specificity. Specificity is calculated by counting selector components:
ID selectors: Highest weight.
Class, attribute, and pseudo-class selectors: Medium weight.
Type and pseudo-element selectors: Lowest weight.
For instance, #header ...
Posted on Sat, 19 Sep 2026 16:21:49 +0000 by AV
CSS and JavaScript Basics - Part 2
Table of Contents
Fonts
Background Images
Display Modes
Type Conversion
Relative Positioning
Absolute Positioning
Fixed Positioning
Z-Index
Sticky Positioning
Padding
Margin
Borders
Box Sizing Calculation
Resetting Default Styles
Content Overflow
Margin Collapsing
Inline Element Margins & Padding
Centering Block Elements
Border Radius
Box ...
Posted on Fri, 18 Sep 2026 16:41:53 +0000 by maxf
Implementing Adaptive Light and Dark Themes in Blog Skins
Configuring a blog to react automatically to the system's appearance mode relies on CSS media queries keyed to prefers-color-scheme. This mechanism lets you specify distinct style rulseets for light and dark environments without any JavaScript intervention.
Core CSS Mechanism
Separate the visual definitions using media queries that target each ...
Posted on Fri, 18 Sep 2026 16:26:03 +0000 by jcubie
Understanding CSS Positioning Properties
Static Positioning
Elements follow the normal document flow without any special positioning behavior.
Relative Positioning
Elements are positioned relative to their normal position in the document flow. The original space occupied by the element is preserved, and the element does not break out of the normal flow.
Absolute Positioning
Elements a ...
Posted on Wed, 16 Sep 2026 15:59:54 +0000 by madolia
Understanding the CSS Box Model
In HTML, each element is represented as a rectengular "box" composed of the following parts: 1. Border (border), 2. Content (content), 3. Padding (padding), and 4. Margin (margin).
Border
Basic Property
Description
border-width
Thickness
border-style
Style
border-color
Color
Note: The border-style property defaults to ...
Posted on Thu, 03 Sep 2026 16:14:16 +0000 by Horizon88
Introduction to CSS Styling and Selectors
CSS Overview
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation and visual styling of HTML documents.
To implement CSS within an HTML document, place the code inside a <style> tag located beneath the <title> element:
<title>CSS Basics</title>
<style>
/* selector {} */
p {
/* ...
Posted on Wed, 02 Sep 2026 16:00:54 +0000 by cHinshaw