1. know more about Colors!
   1. Analyze Your Color Palette
      1. https://refactoringui.com/previews/building-your-color-palette/
      2. can you see a base color
      3. do brand colors use?
   2. verify colors along color culture
      1. https://seopressor.com/wp-content/uploads/2015/06/colour-culture1.png
   3. balance of color
      1. use 60% + 30% + 10% rule
         1. 60% is your dominant hue, 30% is secondary color and 10% is for accent color
   4. do colors take part in the creation of hierarchy
   5. use colors as separators
      1. rows
2. Text
   1. Bigger contrast, the better
      1. make important text bigger
         1. font hierarchy is about the right mix of size, weights, and colors that creates contrast
   2. Use plenty of headings 
   3. Keep paragraphs short 
   4. Use bulleted lists 
   5. Highlight key terms 
   6. Visual Hierarchy
3. Space
   1. Use spacing to separate groups
      1. Law of Proximity
         1. Objects that are near, or proximate to each other, tend to be grouped together
      2. Things that are related logically, are related visually
4. about Forms
   1. Check list. UI-testing. Web-form. Font. Navigation
      1. https://www.xmind.net/m/qWtv/
5. about Users
   1. we don’t read, we scan!
      1. F-pattern
   2. don't read the Product instructions
   3. shouldn’t spend time thinking about
      1. Where am I?
      2. Where should I begin?
      3. What are the most important things on this page?
      4. Why did they call it that way?
      5. Is that an ad or part of the site?
   4. Don’t Make Me Think!
6. think about Psychology Principles
   1. Von Restorff effect
      1. when multiple similar objects are present, the one that differs from the rest is most likely to be remembered
   2. Serial position effect
      1. best remember the first and last items in a series
   3. Cognitive load
      1. the amount of thought you need to exercise in order to complete a specific task
7. Sourses
   1. https://spark.ru/startup/digital-skynet/blog/47623/kak-prokachat-ui-ux-skilli
   2. https://refactoringui.com/previews/building-your-color-palette/
   3. https://refactoringui.com/previews/labels-are-a-last-resort/
   4. https://medium.com/refactoring-ui/7-practical-tips-for-cheating-at-design-40c736799886
   5. https://medium.com/sketch-app-sources/design-cheatsheet-274384775da9
   6. https://uxplanet.org/10-small-design-mistakes-we-still-make-1cd5f60bc708
   7. https://www.amazon.com/Dont-Make-Think-Revisited-Usability/dp/0321965515/ref=sr_1_1?ie=UTF8&qid=1530186654&sr=8-1&keywords=don%27t+make+me+think
   8. https://uxplanet.org/the-psychology-principles-every-ui-ux-designer-needs-to-know-24116fd65778
   9. https://medium.freecodecamp.org/how-to-improve-your-ui-ux-design-skills-as-a-developer-1fd96a49d807