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

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

  • Treehouse Logo
  • Plans
    Chevron
    • For Individuals
    • For Businesses
    • For Schools
    • For Libraries
    • For Military
  • Library
    Chevron
    • All Courses
    • Tracks
    • College Credit
  • Techdegree
    Chevron
    • Overview
    • Front End Development
    • Full Stack JavaScript
    • Data Analysis
    • UX Design
    • Python
  • Community
    Chevron
    • Code Adventures
    • Discord
    • Forum
    • Success Stories
    • Treehouse Links
    • 100 Days of Code
  • Resources
    Chevron
    • Explore
    • Career Toolbox
    • CodeForward
    • Free Treehouse Near Me
    • Jobs
    • 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 College Credit
  • Overview Front End Web Development Full Stack JavaScript Python Development Data Analysis UX Design
  • Code Adventures Discord Forum Success Stories Treehouse Links 100 Days of Code
  • Explore Career Toolbox CodeForward Free Treehouse Near Me Jobs 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
  • Erik Jorgensen
    Erik Jorgensen
    1,452 Points

    Where do I go to see what I have made in an actual page?

    Posted April 11, 2019 11:19pm by Erik Jorgensen
    Erik Jorgensen
    1,452 Points
    • JavaScript
    • Treehouse Club - MASH
    • MASH - CSS
    • Changing Your Stuff in Your Stylesheet

    1 Answer

  • Elizabeth Molina
    Elizabeth Molina
    1,130 Points

    In MASH................ What is a '.highlight' rule in your CSS.

    Posted June 20, 2018 11:43pm by Elizabeth Molina
    Elizabeth Molina
    1,130 Points
    • JavaScript
    • Treehouse Club - MASH
    • MASH - CSS
    • Changing Your Stuff in Your Stylesheet

    1 Answer

  • Elizabeth Molina
    Elizabeth Molina
    1,130 Points

    in MASH...... Now change the opacity on the highlight class selector to 0.5. how do you do that?

    Posted June 20, 2018 10:52pm by Elizabeth Molina
    Elizabeth Molina
    1,130 Points
    • JavaScript
    • Treehouse Club - MASH
    • MASH - CSS
    • Changing Your Stuff in Your Stylesheet

    1 Answer

  • Brad Ganzenmuller
    Brad Ganzenmuller
    1,158 Points

    Trying to move the text of one of my questions in Mash over but having no luck figuring out how to do so.

    Posted December 13, 2016 10:29pm by Brad Ganzenmuller
    Brad Ganzenmuller
    1,158 Points
    • JavaScript
    • Treehouse Club - MASH
    • MASH - CSS
    • Changing Your Stuff in Your Stylesheet

    1 Answer

  • Lee Smith
    Lee Smith
    5,255 Points

    Can't change the opacity on the highlight selector to .5. Software is locked up. Signed off and back on, no change.

    Posted February 3, 2016 3:27am by Lee Smith
    Lee Smith
    5,255 Points
    • JavaScript
    • Treehouse Club - MASH
    • MASH - CSS
    • Changing Your Stuff in Your Stylesheet

    1 Answer

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
  • Python Development
  • Data Analysis
  • UX Design
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 coding education platform that teaches students to code through a browser-based coding environment with live instructor support, ACE-credited college courses, and financial scholarships. The platform offers 300+ courses spanning web development, Python, data analysis, UX design, and AI, along with bootcamp-style Techdegree programs that include human-graded projects, career coaching, and digital certificates. Students build job-ready portfolios and gain the skills to launch careers in tech. Treehouse is also available for free through participating public libraries nationwide.

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