I am new to CSS and I am trying to create a website with a fixed header and parallax scrolling. However, when I add the fixed header the parallax scrolling over takes the fixed header.
The CSS should be separate from the HTML - either in the head of the page or preferably on a separate CSS stylesheet following those in the <head> section.
Empty tags, such as <link...>, <meta...>, <img...>, et al., do not require trailing slashes, such as…
Finally, taking a formal course in HTML and CSS will pay big dividends as your web growth continues. The basic knowledge will offer you a foundation of knowledge which will help your understanding of HTML and CSS interactions and behaviours. The practice will help you form good coding practices.