Kleo Petroff

Kleo Petroff

Member Since October 22, 2014

5,726

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Spoken Languages

    • English
    • Bulgarian
    • German
  • Looking for work

    Yes

70 Achievements

  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Selecting Elements and Adding Events with JavaScript
  • Prototyping With Bootstrap
  • JavaScript and the DOM
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Spriting with Compass
  • Compass Helper Functions
  • Compass Layout and Typography
  • Getting Started with Compass
  • Modular Media Queries
  • Sass Grid System
  • SMACSS and Sass
  • Sass and BEM
  • Getting Modular with Mixins and Functions
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Introduction to Front-End Frameworks
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Backgrounds and Borders
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Newbie