diff --git a/AMW_angular/io/src/styles.scss b/AMW_angular/io/src/styles.scss
index 6599b9fee..0213b1dc7 100644
--- a/AMW_angular/io/src/styles.scss
+++ b/AMW_angular/io/src/styles.scss
@@ -2,6 +2,14 @@
 $font-size-base: 0.9rem;
 $btn-disabled-opacity: 0.55;
 
+$container-max-widths: (
+  sm: 640px,
+  md: 820px,
+  lg: 1160px,
+  xl: 1440px,
+  xxl: 1920px
+);
+
 @import 'bootstrap/scss/bootstrap';
 @import "~@ng-select/ng-select/themes/default.theme.css";
 @import 'codemirror/lib/codemirror';