Adding CSS To Pages :We already talked about the advantages of using CSS into webpages, That's can take the control of the all page with all its elements. So Let's see the ways that an CSS file can be added to webpages...
CSS Selectors :Any tag can serve as a CSS selector, and the rules for that selector will be applied to all instances of that tag on the page. You can add a rule to the b tag that sets the font weight to normal if you choose to do so, or italicize every paragraph on your page by applying a style to the p tag...
Units Of Measure :One of the most confusing aspects of CSS is the unit of measure it provides. Four types of units can be specified in CSS: length units, percentage units, color units, and URLs. But we will talk here just about the length and percentage units...
Box Properties :These properties are used to position elements, control the white space around them, and to apply effects such as borders to them. They're referred to as box properties, because they work on box-shaped regions of the page...