HTML styles -CSS
CSS (Cascading Style Sheets) style for rendering HTML element tags.
How to Use CSS
CSS is started in HTML4, in order to better render HTML elements introduced.
CSS can be added to HTML in the following ways:
Inline style - using the "style" attribute in the HTML element
Internal style sheet - HTML document head <head> region using <style> element to contain CSS
External reference - Use external CSS file
The best way is through external CSS file references.