Since all elements share the same font-weight as well, it might better be in the body styles as well.
otherwise for elements with repeating styles you can group so you only declare it once, for example:
h1,
h3,
p {
font-weight: bold;
}
Also starting to use comments in your css file will be just as helpful as with html, it will keep order between which styles are defined for each section.
Great use of global selector
body
https://github.com/bbvillarreal/Codecademy/blob/master/DasmotosStyle.css#L2 although if you are setting Aria as important no other font will work, and you have written Helvetica for no reason.Since all elements share the same font-weight as well, it might better be in the body styles as well.
otherwise for elements with repeating styles you can group so you only declare it once, for example:
Also starting to use comments in your css file will be just as helpful as with html, it will keep order between which styles are defined for each section.