INTERNAL STYLE SHEET
THIS IS THE STYLE CODE OF THE INTERNAL STYLE SHEET WHILE WE USE IT AND WE SEE THIS CODING BEFORE THE IMPLEMENTATION :
WE SEE THIS AFTER APPLYING CSS3 INTERNAL:
vidoe lecuter and source code file download link:https://drive.google.com/drive/folders/0B-ocm6GahS8ASkRqb29XWEQ2WTA