Learn how to use semantic HTML, minify and compress your code, use external stylesheets and scripts, optimize your selectors and properties, use media queries and responsive design, and validate ...

Often time as you designing your web pages, you will find that many HTML elements shares the same values; group selector allows you to combine the elements which share the same style into one selector ...

CSS selectors and classes also help you create a consistent and coherent page layout that avoids duplication and inconsistency of styles. Add your perspective Help others by sharing more (125 ...