Last but not least, we need to add the CSS asset that we declared in the styleUrls array within the quiz-list.component.ts file.

From Solution Explorer, right-click on the /ClientApp/app/components/quiz/ folder and create a new CSS file; call it quiz-list.component.css and replace the sample code with the following:

ul.quizzes li {
    color: #000acb;
    cursor: pointer;
}

    ul.quizzes li.selected {
        background-color: #cccccc;
    }

There's nothing fancy here, just some minimal styling to make things look less ugly.