Fixes #39
style improvements for columns on mobile
Adds spanish translation links to the README.md
Merge pull request #40 from adrrian17/es-translation

Spanish translation
Clarify rgba leading decimal and change preface to prefix
Clarify reason for rgb() rgba() spacing
Added Indonesian / Bahasa Indonesia.
Merge pull request #41 from diagramatics/patch-1

Added Indonesian / Bahasa Indonesia.
Fixed spelling error
Merge pull request #42 from keslert/gh-pages

Fixed spelling error
Add 'Nesting in LESS and SASS' to TOC
Merge pull request #44 from juno/add-css-nesting-to-toc

Add 'Nesting in LESS and SASS' to TOC
Fix url portuguese
Merge pull request #46 from vitornp/patch-1

Fix url portuguese
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
Merge pull request #47 from hnrch02/patch-1

Proper capitalization for Less and Sass
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
Merge pull request #49 from Jarwain/patch-1

Deleted repeating line in CSS/Syntax