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#1 css-grid-6

#2 flex-1
#3 flex: 1 0 50%; is equivalent to
flex-shrink: 0;
flex-grow: 50%;
flex-basis: 0;
flex-grow: 50%;
flex-shrink: 0;
flex-basis: 50%;
flex-grow: 0;
flex-basis:50%;

#4 css-grid-1
#5 What is the default value of the flex-wrap property?
#6 grid-area: 1/4; is equivalent to
grid-column-end: 4;
grid-row-end: 4;
grid-column-start: 4;
#7 How to correctly place a grid item inside a named area?
#8 The align-self property apply to both flex items and grid items

#9 flex-4
#10 The order property apply to both flex items and grid items

#11 css-grid-2

#12 flex-5
#13 The justify-self property apply to both flex items and grid items

#14 css-grid-4

#15 css-grid-3
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