# \#csd-unit-2-lesson-13 **URL:** https://forum.code.org/tag/csd-unit-2-lesson-13/368.md [Latest](https://forum.code.org/latest.md) · [Categories](https://forum.code.org/categories.md) · [Tags](https://forum.code.org/tags.md) --- ## [Help with Classes](https://forum.code.org/t/help-with-classes/22247)
**Author:** [@ctenney](https://forum.code.org/u/ctenney)\ **Replies:** 5\ **Last updated:** [May 26, 2022, 1:59pm UTC](https://forum.code.org/t/help-with-classes/22247 "2022-05-26T13:59:43Z")
My students are struggling with classes. Are there any additional resources for classes? This seems like a great place for there to be a video for students. --- ## [Unit 2 chapter 1 lesson 13](https://forum.code.org/t/unit-2-chapter-1-lesson-13/35708)
**Author:** [@higginsk](https://forum.code.org/u/higginsk)\ **Replies:** 1\ **Last updated:** [January 14, 2022, 1:18pm UTC](https://forum.code.org/t/unit-2-chapter-1-lesson-13/35708 "2022-01-14T13:18:28Z")
I am not seeing the link to the Project Guide for the Personal Web Page. I see the reflection, rubric, peer review but no planning piece. Any ideas? --- ## [Cool Resource for RGB](https://forum.code.org/t/cool-resource-for-rgb/32517)
**Author:** [@edavis](https://forum.code.org/u/edavis)\ **Replies:** 0\ **Last updated:** [March 31, 2020, 2:34pm UTC](https://forum.code.org/t/cool-resource-for-rgb/32517 "2020-03-31T14:34:03Z")
I ran across this simulation for how your brain perceives RGB color. I thought it might be a neat supplement for Unit 2 Lesson 13. https://phet.colorado.edu/sims/html/color-vision/latest/color-vision\_en.html --- ## [Unit 2 Lesson 13 - Stylesheet not linking](https://forum.code.org/t/unit-2-lesson-13-stylesheet-not-linking/25745)
**Author:** [@jcz](https://forum.code.org/u/jcz)\ **Replies:** 8\ **Last updated:** [October 11, 2019, 12:25am UTC](https://forum.code.org/t/unit-2-lesson-13-stylesheet-not-linking/25745 "2019-10-11T00:25:56Z")
I have a few students who are having an issue with a stylesheet not linking to his/her html page. This first student has 3 stylesheets (1 for each page). 2 of them work, but the 3rd one does not. The html page is cookie… --- ## [Unit 2 Lesson 13 Levels 6 through 10 Not Working](https://forum.code.org/t/unit-2-lesson-13-levels-6-through-10-not-working/26111)
**Author:** [@david.decker](https://forum.code.org/u/david.decker)\ **Replies:** 2\ **Last updated:** [April 6, 2019, 3:12pm UTC](https://forum.code.org/t/unit-2-lesson-13-levels-6-through-10-not-working/26111 "2019-04-06T15:12:09Z")
I’m getting the error seen in the image I’ve attached on bubbles 6, 8 through 10 in Web Lab on Unit 2 Lesson 13. I’ve tried multiple browsers and operating systems to get it to work, but I haven’t been successful. Anyone… --- ## [U2, L13 Google Slides](https://forum.code.org/t/u2-l13-google-slides/21017)
**Author:** [@sevalmeshkov](https://forum.code.org/u/sevalmeshkov)\ **Replies:** 0\ **Last updated:** [October 17, 2018, 9:22pm UTC](https://forum.code.org/t/u2-l13-google-slides/21017 "2018-10-17T21:22:07Z")
https://docs.google.com/presentation/d/1JfoLZYQcWMtDHVJV-4Zo3HZ4C8yB6tfRyHSg1AFm\_jM/edit?usp=sharing --- ## [Why spend so much time on RGB?](https://forum.code.org/t/why-spend-so-much-time-on-rgb/15050)
**Author:** [@kammie.dill](https://forum.code.org/u/kammie.dill)\ **Replies:** 3\ **Last updated:** [March 23, 2018, 3:51pm UTC](https://forum.code.org/t/why-spend-so-much-time-on-rgb/15050 "2018-03-23T15:51:42Z")
Just feedback for the new curriculum... Why is there so much emphasis put on rgb values? I think they could be introduced and used a time or two, but this took 1/2 of the class period when the important thing in this l… --- ## [Order of Lessons](https://forum.code.org/t/order-of-lessons/15035)
**Author:** [@kammie.dill](https://forum.code.org/u/kammie.dill)\ **Replies:** 1\ **Last updated:** [March 18, 2018, 5:25pm UTC](https://forum.code.org/t/order-of-lessons/15035 "2018-03-18T17:25:00Z")
My students were a little confused when they got to bubble 6 in this lesson because they had never seen classes used before. Bubbles 1-5 were all about the rgb values and colors. It seems as though bubbles 6 and 7 shou… --- ## [Spring Summer Fall text colors won't change](https://forum.code.org/t/spring-summer-fall-text-colors-wont-change/12033)
**Author:** [@rlynch](https://forum.code.org/u/rlynch)\ **Replies:** 8\ **Last updated:** [December 12, 2017, 9:12pm UTC](https://forum.code.org/t/spring-summer-fall-text-colors-wont-change/12033 "2017-12-12T21:12:09Z")
I have several students who, despite copying and pasting the same information from winter to the other seasons in CSS, can't get the colors to change away from black (not even to white like winter) there must be somethin… --- ## [Color blind students?](https://forum.code.org/t/color-blind-students/10866)
**Author:** [@billie.dollins](https://forum.code.org/u/billie.dollins)\ **Replies:** 1\ **Last updated:** [October 7, 2017, 10:45pm UTC](https://forum.code.org/t/color-blind-students/10866 "2017-10-07T22:45:39Z")
I have two students that are color blind. Other than pairing them with a partner, are there any suggestions on how to help these students and make combinations? --- ## [HTML/RGB Color picker W3 schools](https://forum.code.org/t/html-rgb-color-picker-w3-schools/10288)
**Author:** [@rcushman](https://forum.code.org/u/rcushman)\ **Replies:** 1\ **Last updated:** [September 17, 2017, 6:40pm UTC](https://forum.code.org/t/html-rgb-color-picker-w3-schools/10288 "2017-09-17T18:40:11Z")
https://www.w3schools.com/colors/colors\_picker.asp