diff --git a/css/custom.css b/css/custom.css
index 9bc81d4..505a942 100644
--- a/css/custom.css
+++ b/css/custom.css
@@ -85,6 +85,20 @@ html {
   background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
 }
 
+.modal {
+  display: none; /* Hidden by default */
+  position: fixed; /* Stay in place */
+  z-index: 1; /* Sit on top */
+  padding-top: 100px; /* Location of the box */
+  left: 0;
+  top: 0;
+  width: 100%; /* Full width */
+  height: 100%; /* Full height */
+  overflow: auto; /* Enable scroll if needed */
+  background-color: rgb(0,0,0); /* Fallback color */
+  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
+}
+
 /* Modal Content */
 .modal-content {
   background-color: #fefefe;