Expand/Collapse Widgets

HTML (HyperText Markup Language) is the standard markup language used to create web pages. It provides the structure and content of websites by using a system of tags and elements.

Key features include:

• Semantic markup for meaningful content
• Support for multimedia elements
• Form creation and validation
• Accessibility features

CSS (Cascading Style Sheets) is used to style and layout web pages. It controls the visual presentation of HTML elements, including colors, fonts, spacing, and layout.

Common CSS properties:

• Color and background properties
• Font and text properties
• Box model (margin, padding, border)
• Flexbox and Grid layouts

JavaScript is a programming language that enables interactive web pages. It can update content, control multimedia, animate images, and much more.

JavaScript capabilities:

• DOM manipulation and element selection
• Event handling and user interactions
• Asynchronous operations with Promises
• Dynamic content generation

Responsive design ensures that web pages look great and function well on all devices, from desktop computers to mobile phones and tablets.

Best practices:

• Mobile-first design approach
• Flexible layouts using CSS media queries
• Scalable images and typography
• Touch-friendly interface elements