Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

HTML Introduction to HTML and CSS (2016) Make It Beautiful With CSS Test: Styling by Element and Class

Posted by binlin xia
binlin xia
950 Points

how to set border attributes?

how to change the border width to 4 px?

index.html 
<!doctype html>
<html>
  <head>
    <link href="styles.css" rel="stylesheet">
  </head>
  <body>

    <p class="main-pg">My amazing website</p>

  </body>
</html>
styles.css 
.main-pg {border-width: 4px;
  color: red;
  border: solid;
}
Oszkár Fehér
.a{fill-rule:evenodd;}techdegree seal-36
Oszkár Fehér
Treehouse Project Reviewer

Hi Binlin. Here is a good site for CSS properties and selectors: [https://css-tricks.com/almanac/]. I hope it helps you. Happy coding

2 Answers

Erin McBride
Erin McBride
8,275 Points
Erin McBride
Erin McBride
8,275 Points

border-width is correct, but use border-color and border-style for the other two properties.

Zachary Jeans
Zachary Jeans
10,755 Points
Zachary Jeans
Zachary Jeans
10,755 Points

.main-pg { border: 4px solid red; }