security fixes, bugfixes

web/css/helpers.css

@@ -230,6 +230,19 @@ table .input-text {
     clear: both;
 }
 
+.blink {
+    animation: blinker 1.5s infinite;
+}
+
+@keyframes blinker {
+    0% {
+        background-color: var(--color-4);
+    }
+    100% {
+        background-color: var(--color-2);
+    }
+}
+
 @media only screen and (max-width: 960px) {
     .text-medium-big {
         font-size: 32px;

web/css/modal.css

@@ -1,3 +1,12 @@
+body.modal-open {
+    overflow: hidden;
+}
+
+.modal-panel, .modal-panel-chat {
+    max-height: 100vh;
+    overflow-y: auto;
+}
+
 .modal {
     display: none;
     position: fixed;
@@ -162,7 +171,7 @@
         width: 100%;
     }
     .modal-panel-chat {
-        height: 500px;
+        height: 550px;
     }
     #chat-chatbox {
         height: 333px !important;