CSS Atribute Selectors with Regex Patterns CSS3 introduces powerful attribute selectors that support substring matching using different operators: [attr^="value"] - matches elements whose attribute value starts with "value" [attr$="value"] - matches elements whose attri...
CSS Box Model The CSS box model consists of four main components: Content Padding Border Margin Two primary box model types exist: Standard Box Model: margin + border + padding + content IE Box Model: margin + content (includes border and padding) Control box model behavior with box-sizing: content-...
Fundamental Selectors Element selectors target every instance of a specific HTML tag on the page. <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <style> /* Targets all <h2> tags */ h2 { font-family: Arial, sans-serif; } /* Targets all <em> ta...