diff --git a/assets/stylesheets/explorer.scss b/assets/stylesheets/explorer.scss
index af60ddc..6fdb93d 100644
--- a/assets/stylesheets/explorer.scss
+++ b/assets/stylesheets/explorer.scss
@@ -81,7 +81,7 @@ table.group-reports {
   .right-panel {
     flex-shrink: 0;
     flex-grow: 0;
-    width: 300px;
+    width: 345px;
     .schema {
       border-left: 1px solid $primary-low;
       height: 100%;
@@ -155,6 +155,7 @@ table.group-reports {
           }
 
           .popup {
+            width: 180px;
             padding: 4px;
             position: relative;
             border: 1px solid;