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![](https://ecs-static.teamtreehouse.com/assets/views/marketing/shared/community-banner-white-47072046c51352fe6a69f5e691ff5700b28bb11d45197d7bdf066d9ea3f72d0c.webp)
![Wei Niu](https://uploads.teamtreehouse.com/production/profile-photos/132784/micro_20100303203618-993038775.jpg)
Wei Niu
4,151 PointsWith a(n)_________ stylesheet we can change the look of an entire site with just one file.
With a(n)_________ stylesheet we can change the look of an entire site with just one file.
What is the right answer?
5 Answers
![Colin Marshall](https://uploads.teamtreehouse.com/production/profile-photos/44669/micro_CMM-Avatar-no-bg.png)
Colin Marshall
32,861 PointsExternal. You can find the answers to a quiz in the preceding video.
Nick Vitsinsky
7,246 PointsCSS doesn't work, isn't it CSS?
As well as for question
UPD: Damn - it should simply said External :)
![mason choi](https://secure.gravatar.com/avatar/9bb8a5d1af684e11444db46785c30924?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
mason choi
2,462 PointsWith a(n) External stylesheet we can change the look of an entire site with just one file. Answer: External
![Valentin Rosu](https://uploads.teamtreehouse.com/production/profile-photos/1975962/micro_wKgB3FD67GeAA2iTAACSQ-3o43Q54.groupinfo.w600.jpeg)
Valentin Rosu
9,217 PointsAnswer: External
![Ary de Oliveira](https://secure.gravatar.com/avatar/6572f74763697b8923f9fd25922e3c1a?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Ary de Oliveira
28,298 PointsExternal