Login/Register to keep track of your score.
#1 flex: 1 0 50%; is equivalent to
flex-shrink: 0;
flex-basis: 50%;
flex-shrink: 0;
flex-grow: 50%;
flex-grow: 0;
flex-basis:50%;

#2 flex-4
#3 How to define 3 columns in CSS grid?
#4 How to correctly place a grid item inside a named area?
#5 How to make all the flex items in a single row equal in width?
#6 What is the default value of the grid-auto-flow property?

#7 css-grid-4
#8 What is the default value of the flex-wrap property?
#9 Which of the following is an invalid property?
#10 How to make all the grid rows equal in height?
#11 Which property cannot be used with negative values?

#12 flex-5
#13 flex-flow is a shorthand for
#14 grid-area: 1/4; is equivalent to
grid-column-end: 4;
grid-row-end: 4;
grid-column-start: 4;

#15 css-grid-2
Your Result
-
I am sure you will do better next time