Class and id selector won't work in an external CSS file
i'm trying to use Class or id selectors in an external CSS file which i linked to my html page via Visual Studio however, i can't figure out why id or class not work if i use them in an external CSS file for example here's my HTML Paragraph: <p class="About"> AFX Group offers trading and investment services in multiple languages throughout the world. We allow investors to access a range of markets and trade various financial instruments, including forex, indices, equities, bonds, and commodities. Moreover, we offer cutting-edge trading platforms, comprehensive trading tools, advanced educational resources, the latest financial news and much more. </p> and here's what i placed in my external CSS file .About { background-color:white; } the only thing works in my html page which i linked to external CSS link is these lines which i placed in body body { background-image: url("http://www.afxgroup.com/template/AFX/img/header/about-image.jpg"); background-color: #cccccc; background-repeat: no-repeat; background-attachment: fixed; background-position: center; } so how can i make Class or ID selector work with my external CSS file which i linked to my html About page thanks alot