Skip to main content

🚀 In our NEW AI Bootcamp you'll build a working app in 28 days, no experience required. Free to all subscription levels.

Join the Treehouse affiliate program and earn 25% recurring commission! 🤑

✨ Earn college credits in Cybersecurity, JS, HTML, CSS and Python

  • Treehouse Logo
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
    • All Courses
    • Tracks
    • AI Bootcamp
    • College Credit
    • Techdegree Bootcamps
    • Front End Development
    • Full Stack JavaScript
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
    • Explore
    • Career Toolbox
    • Free Treehouse Near Me
    • Affiliates
    • Blog
    • Support
    • About
    • Learn
    • Beginner's Guide to Coding
    • Data Analysis with SQL & Python
    • Front-End Web Development
    • Python Programming Basics
    • Techdegree Bootcamp Overview
    • UX Design Fundamentals
    • AI Tools for Beginners
  • For Individuals For Businesses For Schools For Libraries For Military
  • All Courses Tracks AI Bootcamp College Credit
  • Techdegree Bootcamps Front End Web Development Full Stack JavaScript
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox Free Treehouse Near Me Affiliates Blog Support About
    Learn Beginner's Guide to Coding Data Analysis with SQL & Python Front-End Web Development Python Programming Basics Techdegree Bootcamp Overview UX Design Fundamentals AI Tools for Beginners
  • Sign In
  • Free Trial
Instagram Twitter Facebook YouTube LinkedIn
Loading banner... Start your free trial at Treehouse
    • Newest
      • Newest
      • Active
      • Unanswered
      • Featured
    • All Topics
      • All Topics
      • • General Discussion
      • • AI
      • • APIs
      • • Coding for Kids
      • • College Credit
      • • Computer Science
      • • CSS
      • • Data Analysis
      • • Databases
      • • Design
      • • Development Tools
      • • Digital Literacy
      • • Game Development
      • • Go Language
      • • HTML
      • • Java
      • • JavaScript
      • • Learning Resources
      • • Machine Learning
      • • No-Code
      • • PHP
      • • Professional Growth
      • • Python
      • • Quality Assurance
      • • React
      • • Ruby
      • • Security
      • • Swift
      • • Vibe Coding
  • Joshua szkodlarski
    Joshua szkodlarski
    8,604 Points

    Underneath your mixin definition, specify that all <a> tags should include the mixin

    Posted January 17, 2016 3:37pm by Joshua szkodlarski
    Joshua szkodlarski
    8,604 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    4 Answers

  • MUZ140112 Simon Chatikita
    MUZ140112 Simon Chatikita
    4,174 Points

    nderneath your mixin definition, specify that all <a> tags should include the mixin.

    Posted April 17, 2015 6:47pm by MUZ140112 Simon Chatikita
    MUZ140112 Simon Chatikita
    4,174 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    1 Answer

  • MUZ140014 Justice Gwatidzo
    MUZ140014 Justice Gwatidzo
    11,920 Points

    Underneath your mixin definition, specify that all <a> tags should include the mixin.

    Posted April 10, 2015 1:09pm by MUZ140014 Justice Gwatidzo
    MUZ140014 Justice Gwatidzo
    11,920 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    1 Answer

  • MUZ140014 Justice Gwatidzo
    MUZ140014 Justice Gwatidzo
    11,920 Points

    Define a mixin called "button" that sets the background to be #369 and the color to be white.how do i go about this?????

    Posted April 10, 2015 12:48pm by MUZ140014 Justice Gwatidzo
    MUZ140014 Justice Gwatidzo
    11,920 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    2 Answers

  • MUZ140067 Precious Mutangi
    MUZ140067 Precious Mutangi
    13,064 Points

    STAGE 2 CHALLENGE TASK 2 0F 2

    Posted February 14, 2015 6:59pm by MUZ140067 Precious Mutangi
    MUZ140067 Precious Mutangi
    13,064 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    0 Answers

  • vickiecomrie
    vickiecomrie
    3,248 Points

    What's the difference between the selectors background: and background-color: , and when should either be used?

    Posted December 9, 2014 10:33am by vickiecomrie
    vickiecomrie
    3,248 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    1 Answer

  • Laura Hill
    Laura Hill
    13,677 Points

    SASS code challenge

    Posted November 7, 2014 2:51am by Laura Hill
    Laura Hill
    13,677 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    1 Answer

  • Tyrone Sunde
    PLUS
    Tyrone Sunde
    Courses Plus Student 6,379 Points

    Underneath your mixin definition, specify that all <a> tags should include the mixin.

    Posted April 16, 2014 4:02pm by Tyrone Sunde
    Tyrone Sunde
    Courses Plus Student 6,379 Points
    • CSS
    • Sass Basics (retired)
    • Variables, Mixins, and Extending Selectors
    • Introducing Mixins

    3 Answers

Posting to the forum is only allowed for members with active accounts.
Please sign in or sign up to post.

Techdegree

  • Front End Web Development
  • Full Stack JavaScript
SEE ALL

Tracks

  • Learn to Code for Beginners
  • Beginning Python
  • Beginning SQL
  • Beginning Java
SEE ALL

Courses

  • JavaScript Basics
  • Intro to HTML & CSS
  • Python Basics
  • CSS Layout
SEE ALL

About Us

  • About
  • Blog
  • Community
  • Stories
  • Contact
  • Gift Card

Explore

  • Plans
  • Affiliates
  • Perks
  • Shop
  • Free Treehouse Near Me
  • Treehouse for Libraries
  • Treehouse for Businesses

Treehouse is an online technology education platform founded in 2011. Treehouse offers more than 700 self-paced, video-based courses in web development, programming, data analysis, design, and AI, plus two project-based bootcamp programs in Front End Web Development and Full Stack JavaScript. Individual Treehouse plans start at $25 per month and include a 7-day free trial. Treehouse serves individual learners, businesses, schools, and public libraries. Cardholders at participating U.S. public libraries can use Treehouse for free. Select Treehouse courses, offered with University Pathways International, are recommended for college credit by ACE and NCCRS. Treehouse learners earn digital certificates for completed Tracks.

Terms & Conditions · Privacy · © 2026 Treehouse Island, Inc.
  • Twitter
  • YouTube
  • Facebook
  • LinkedIn
  • Instagram
  • Discord