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
  • Patrick Vanegas
    Patrick Vanegas
    6,971 Points

    Difference between .mejs-time-rail and .mejs-time-rail span?

    Posted April 11, 2017 3:28am by Patrick Vanegas
    Patrick Vanegas
    6,971 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    0 Answers

  • Lucian Dumitru
    PLUS
    Lucian Dumitru
    Courses Plus Student 13,024 Points

    Off topic remark

    Posted March 24, 2017 9:59am by Lucian Dumitru
    Lucian Dumitru
    Courses Plus Student 13,024 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    0 Answers

  • nagamani palamuthi
    nagamani palamuthi
    6,160 Points

    did not understand how we are assigning these classes to video elements.

    Posted January 23, 2017 7:26pm by nagamani palamuthi
    nagamani palamuthi
    6,160 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    4 Answers

  • Mateo Buitrago
    Mateo Buitrago
    5,629 Points

    In which file are the classes that Nick is targeting in the mejs-treehouse.css?

    Posted January 4, 2016 10:52pm by Mateo Buitrago
    Mateo Buitrago
    5,629 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    2 Answers

  • Allison Walker
    Allison Walker
    17,137 Points

    How did Nick get the different port options when Previewing his workspace?

    Posted August 13, 2015 6:29pm by Allison Walker
    Allison Walker
    17,137 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    1 Answer

  • bonnicolaimercado
    bonnicolaimercado
    10,115 Points

    I cant display the custom skin?Why?

    Posted May 18, 2015 9:37pm by bonnicolaimercado
    bonnicolaimercado
    10,115 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    2 Answers

  • Robert Mews
    Robert Mews
    11,540 Points

    What is the CSS video player selecting?

    Posted May 1, 2015 9:57pm by Robert Mews
    Robert Mews
    11,540 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    1 Answer

  • Andrew Jensen-Battaglia
    Andrew Jensen-Battaglia
    10,051 Points

    Why isn't custom skin being applied?

    Posted February 27, 2015 7:32pm by Andrew Jensen-Battaglia
    Andrew Jensen-Battaglia
    10,051 Points
    • HTML
    • HTML Video and Audio (Retired)
    • Custom Media Players
    • Create a Custom Skin

    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
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