Inserting link to pt-br translate
Second content update

* Deleted Copy section to focus only on HTML and CSS
* Add CSS shorthand section
* Add HTML encoding section
* Add style, link, and script type attribute section
Proper capitalization for Less and Sass

Whenever Less and Sass are mentioned on their respective websites they are always referred to as 'Less' and 'Sass' with the first letter capitalized and the rest of them lowercased.
Fix #43: add hsl, hsla, and rect to comma-space section
Deleted repeating line in CSS/Syntax

"ing zero (e.g., .5 instead of 0.5)." was appended on the end of bullet 9
update html attribute list w/ accessibility attrs

added title, alt, aria-* (e.g. area-hidden), and role attrs
Fixes #53
translating the readme file.
Inserting link to pt-br translate
Second content update

* Deleted Copy section to focus only on HTML and CSS
* Add CSS shorthand section
* Add HTML encoding section
* Add style, link, and script type attribute section
Renaming pt-br version to index.html. When the user visit this URL, he will se the right translate of document and reviewing new parts of the project.
just reviewing the URL of portuguese translate.