CSS is used to decorate HTML elements. This is developed by W3C, Bert Bos, Hakon Wium Lie. In other words it is a scripting language written in any text editor that is used to describe look and formatting of hypertext document. However this is present in all kinds of documents that are written in any markup languages including HTML. Latest version is CSS 4 which is in early stage in current days. CSS Statement is divided in 3 parts in simple.
This is written between STYLE tags or with STYLE attribute if any HTML Keyword. Style tag is container/closed tag of HTML.
[css]text-align : left ;[/css]
Property: These are fixed set of keywords which define property of element. In above example text-align is property.
Separator: This separates property and value and always presented by : (colon).
Value: This is the value to property. In above case left is the value of property text-align.
- Internal: In this method, we write all CSS markup inside the same file where it is applied. This is also done in two methods.
- Inline CSS: In this method, CSS is written inside the HTML or XHTML statement using STYLE tag.
- Block CSS: In this method, we write CSS code in HEAD section of HTML document between STYLE tag.
- External: In this method, we write all CSS markup in another file and insert reference to the file in required HTML file using LINK tag.
Apart from this, we have another term in CSS which is called SELECTOR.
Selector are simply collection of CSS attributes and their value. Selectors are used in HTML using CLASS or ID or with HTML tag. So further CSS Selector are divided in 3 parts.
We will discuss about all kind of CSS Selector in another post. Before this let me show you an example of CSS used in all methods.
Introduction to CSS (Cascaded Style Sheet)
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