I am trying to use flexbox prefix. When using compass-core box mixin, with
@include display-box;`
or any other box mixins, it gives:
Undefined mixin 'display-box'
However, if I do
@include opacity (1);
@include border-radius;
No compilation error.
Compass version:
compass (1.0.0.alpha.19, 0.12.6)
compass-core (1.0.0.alpha.19)
compass-import-once (1.0.4)
What did I miss out?