diff --git a/apollo-portal/src/main/resources/static/styles/common-style.css b/apollo-portal/src/main/resources/static/styles/common-style.css
index 0f4d3d46f0adf1be7b794257018fdaf0836c6f53..ffd97495ddbedf925e6f2af48024d597549167a0 100644
--- a/apollo-portal/src/main/resources/static/styles/common-style.css
+++ b/apollo-portal/src/main/resources/static/styles/common-style.css
@@ -12,6 +12,10 @@ body {
     font-family: 'Open Sans', sans-serif;
 }
 
+body.modal-open {
+    overflow: visible;
+}
+
 a {
     cursor: pointer;
 }