diff --git a/static/styles/dark_theme.css b/static/styles/dark_theme.css
index e17ae6fcd1..ec00cffee0 100644
--- a/static/styles/dark_theme.css
+++ b/static/styles/dark_theme.css
@@ -1,4 +1,4 @@
-@import "flatpickr/dist/themes/dark.css";
+@import url("flatpickr/dist/themes/dark.css");
 
 body.dark-theme {
     /* the following block(s) are generated by the import statements.
diff --git a/static/styles/portico/portico_styles.css b/static/styles/portico/portico_styles.css
index da462ba06f..df1de78112 100644
--- a/static/styles/portico/portico_styles.css
+++ b/static/styles/portico/portico_styles.css
@@ -1,4 +1,4 @@
-@import "../components.css";
-@import "portico.css";
-@import "portico_signin.css";
-@import "markdown.css";
+@import url("../components.css");
+@import url("portico.css");
+@import url("portico_signin.css");
+@import url("markdown.css");