diff --git a/data/themes/auquo2/wcs.css b/data/themes/auquo2/wcs.css
index 03b50d6..b00eec8 100644
--- a/data/themes/auquo2/wcs.css
+++ b/data/themes/auquo2/wcs.css
@@ -1,4 +1,5 @@
 /* general stuff */
+@import url(/static/xstatic/themes/smoothness/jquery-ui.min.css);
 
 html, body { margin: 0; font-family: sans-serif; }
 a { text-decoration: none; }
diff --git a/data/themes/entrouvert/wcs.css b/data/themes/entrouvert/wcs.css
index 566b188..1c1090f 100644
--- a/data/themes/entrouvert/wcs.css
+++ b/data/themes/entrouvert/wcs.css
@@ -1,3 +1,4 @@
+@import url(/static/xstatic/themes/smoothness/jquery-ui.min.css);
 @import url(/qo/css/qommon.css);
 @import url(style.css);