update BlogPostsContainer.module.scss imports

Author: cherylli

components/blog/BlogPostsContainer/BlogPostsContainer.module.scss

@@ -1,5 +1,4 @@
-@use '@/styles/mixins' as *;
-@use '@/styles/variables' as *;
+@use '@/styles/index' as *;
 
 .blogContainer {
   display: flex;