Grid system
Simple example
First Column
Second Column
Third Column
First Column
Second Column
Third Column
First Column
Second Column
Third Column
First Column
Second Column
Third Column
First Column
Second Column
Third Column
col1
col-2
col-3
col-4
col-5
col-6
col-7
col-8
col-9
col-10
col-11
col-12
container fluid
align-items-xx, justify-content-xx, align-self-xx, order
Grid system Nested
First Column
Nested Column 1
Nested Column 2
Gutters(col 以內含 padding 可用 px-x or py-x 修改寬度)
Custom column padding
Custom column padding
row-cols-x
Column
Column
Column
Column
Column
Column
Column
Column
Column
Column
Column
Column
No gutters
Offsetting columns
Margin utilities