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#1 How to make all the flex items in a single row equal in width?
#2 How to correctly place a grid item inside a named area?

#3 flex-5
#4 The justify-self property apply to both flex items and grid items

#5 css-grid-5

#6 css-grid-4
#7 How to place a grid item across 2 columns?
#8 Which property cannot be used with negative values?

#9 css-grid-2

#10 css-grid-6
#11 How to define 3 columns in Flexbox?
#12 flex-flow is a shorthand for

#13 flex-1
#14 How to make all the grid rows equal in height?

#15 flex-2
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