Updated for Transfer.sh v1.4.0

src/styles/includes/preview.less

@@ -1,3 +1,12 @@
+.delete-modal {
+  display: none;
+}
+
+.delete-modal .show {
+  display: block;
+}
+
+
 .preview-wrapper {
     padding-bottom: 30px;
 }
@@ -62,7 +71,7 @@ padding: 0px;
   width: 50%;
   max-width: 500px;
   min-width: 300px;
-  background-color: @light-gray;
+  background-color: @blue;
   border-radius: 2px;
   transform: translateX(-50%) translateY(-50%);
   opacity: 0;
@@ -82,7 +91,7 @@ padding: 0px;
 		color: #fff;
 	}
   input {
-    background-color: @dark-gray;
+    background-color: @light-gray;
     color: @text-color;
     border: 0;
     font-size: 1em;