How to make projects in HTML 5 and CSS 3

Question

I am a beginner.i want to build my career in front end developer. how to make make projects like CSS buttons,date picker etc

Answer 1

Try to make some codes from Code Playground.
Search and study some references from Code Playground if you not sure how to codes works, there are a lot of codes to shows basic elements like button or date picker there

Answer 2

by Learning and practicing them..
once you practice here in sololearn then start your projects on github or codepen