diff --git a/scripts/server-frontend-dev.js b/scripts/server-frontend-dev.js
index 5e3d762..0773b76 100644
--- a/scripts/server-frontend-dev.js
+++ b/scripts/server-frontend-dev.js
@@ -7,6 +7,7 @@ const devServerConfig = {
   },
   proxy: {
     '/api': 'http://localhost:3000',
+    '/uploads': 'http://localhost:3000',
     '/ws-api': {
       target: 'ws://localhost:3000',
       ws: true,
diff --git a/src/js/index.js b/src/js/index.js
index 1e15468..031a17a 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -1,5 +1,6 @@
 import "jquery-ui/ui/core";
 import "jquery-ui/ui/widgets/draggable";
+import "jquery-ui/ui/widgets/resizable";
 import "../css/main.css";
 
 import "./icons";
diff --git a/src/js/main.js b/src/js/main.js
index 4a71d07..8d676fc 100644
--- a/src/js/main.js
+++ b/src/js/main.js
@@ -469,7 +469,7 @@ function main(){
                         var reader = new window.FileReader();
                         reader.readAsDataURL(blob);
                         reader.onloadend = function () {
-                            base64data = reader.result;
+                            const base64data = reader.result;
                             uploadImgAndAddToWhiteboard(base64data);
                         }
                     } else {
@@ -651,7 +651,7 @@ function main(){
                 options[i] = newOptions[i];
             }
         }
-        var alertHtml = $('<div class="basicalert" style="position:absolute; top:0px; left:0px; width:100%; top:70px; font-family: monospace;">' +
+        var alertHtml = $('<div class="basicalert" style="position:absolute; left:0px; width:100%; top:70px; font-family: monospace;">' +
             '<div style="width: 30%; margin: auto; background: #aaaaaa; border-radius: 5px; font-size: 1.2em; border: 1px solid gray;">' +
             '<div style="border-bottom: 1px solid #676767; background: ' + options["headercolor"] + '; padding-left: 5px; font-size: 0.8em;">' + options["header"] + '</div>' +
             '<div style="padding: 10px;" class="htmlcontent"></div>' +
diff --git a/src/js/whiteboard.js b/src/js/whiteboard.js
index 3ce7aac..9f608bb 100644
--- a/src/js/whiteboard.js
+++ b/src/js/whiteboard.js
@@ -45,7 +45,7 @@ const whiteboard = {
         this.settings["whiteboardId"] = this.settings["whiteboardId"].replace(/[^0-9a-z]/gi, '');
 
         //background grid (repeating image) and smallest screen indication
-        _this.backgroundGrid = $('<div style="position: absolute; left:0px; top:0; opacity: 0.2; background-image:url(\'' + _this.settings["backgroundGridUrl"] + '\'); height: 100%; width: 100%;"></div>');
+        _this.backgroundGrid = $(`<div style="position: absolute; left:0px; top:0; opacity: 0.2; background-image:url('${_this.settings["backgroundGridUrl"]}'); height: 100%; width: 100%;"></div>`);
         // container for background images
         _this.imgContainer = $('<div style="position: absolute; left:0px; top:0; height: 100%; width: 100%;"></div>');
         // whiteboard canvas