Marek Ostrowski

Marek Ostrowski

Rzeszów, Poland

5,089

Total Points

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

Skills & Experience

  • Company

    F.H. BOZ S.A.

  • Spoken Languages

    • English
    • Polish
  • Looking for work

    Yes

61 Achievements

  • Store Multiple Values in an Array
  • Working with 'for' Loops
  • Simplify Repetitive Tasks with Loops
  • Build an Accessible Form
  • Introduction To Accessibility
  • Arrow Functions
  • Pass Information Into Functions
  • Create Reusable Code with Functions
  • The Math Object
  • Working with Numbers
  • Making Decisions in Your Code with Conditional Statements
  • Working With Strings
  • Storing and Tracking Information with Variables
  • Hello, JavaScript!
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • Fundamental Concepts
  • Designing with the Latest Features
  • The Internet
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Practice Functions
  • Iterating and Packing with Dictionaries
  • Introducing Dictionaries
  • Sequence Operations
  • Sequence Iterations
  • Packing and Unpacking
  • Getting Info In and Out of Functions
  • Introduction to Functions
  • Getting to Know Tuples
  • Build an Application
  • Using Lists
  • Meet Lists
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • Newbie