colXS property
Extra Small screen < 375.0
input range 0 -12
0 ~ 0.0 width ~ replaced with SizedBox.shrink()
12 ~ full width
default 12
Implementation
final int colXS;
Extra Small screen < 375.0
input range 0 -12
0 ~ 0.0 width ~ replaced with SizedBox.shrink()
12 ~ full width
default 12
final int colXS;