Example: input will match any <input> element. Class selectors. This basic selector chooses elements based on the value of their class attribute. Example: .index will match any element that has the class index (likely defined by a class=index attribute or similar). ID selectors.
What is the Patriot Act? Interesting thing about The Patriot act is that it the actual word USA Patriot Act is an acronym. USA Patriot Act Stands for Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act. It has a long extensive definition. But The Patriot Act summary version sounds like this, it extends the power of the authorities in hopes to make it easier for the authorities to detect and act on that information when there is a potential threat on security. There is more elegant Patriot Act Summary out there of course.
USA Patriot Act. The USA Patriot Act is an antiterrorism law enacted by the U.S. Congress in October 2001, at the request of then-President George W. Bush in response to the terrorist attacks that took place on Sept. 11, 2001, in New York and Washington, D.C. Often referred to simply as the Patriot Act, it was signed by Bush on Oct. 26, 2001.