This will keep the body of the webpage at a fixed width of 400px. The example below uses all the new CSS rules: When we use size, we can see a particular size for a section of a webpage. In this case, ...

I'm very rusty with CSS and having a lot of trouble with this. I have a header image and a video (I'll focus on the header image, I'm guessing the solution will also work for the video). Whenever I ...