You have to make yourself familiar with the UI principles
The first and foremost aspect that you will require is to learn some design principles. You need to enter into the design world and begin thinking in an innovative manner. You have to learn the various designing aspects and how they appear.
You need to colour vocabulary, fundamentals and the colour psychology.
You need to know about symmetry and asymmetry
You have to make use of contrast to organize the information and generate focus.
You need to opt for fonts and make the text readable on the internet.
The most vital principle of making intuitive and usable designs begins here.