diff --git a/src/main/resources/static/css/index.css b/src/main/resources/static/css/index.css
index 49dfc63..080dfad 100644
--- a/src/main/resources/static/css/index.css
+++ b/src/main/resources/static/css/index.css
@@ -110,6 +110,7 @@ html {
     padding: 30px;
     width: 500px;
     display: none;
+    background-color: white;
 }
 
 
@@ -144,4 +145,4 @@ html {
 .footer .box-copyright a {
     color: #777;
     text-decoration: underline;
-}
\ No newline at end of file
+}