I coded all my themes and CSS manually by using EditPlus 2, by hand. But when coded in text editor, your code might unstructureable and will slow down your site. That is why you need something that can optimize and tidy up your files.
Here has come a website called Clean CSS. Clean CSS is a nice utility that will tidy up your CSS file and will optimize it to make your site load faster. For an example, instead of
Clean CSS will tidy it into like this
padding: 10px 5px 10px 5px;
Beside that, Clean CSS will remove all unnecessary things and will pack your CSS file into smaller package.
Speed Up Your Site: Optimize your CSS [via Daily Blog Tips][tags]clean css, css, cascading stylesheet[/tags]