diff --git a/css/_mini_toolbox.scss b/css/_mini_toolbox.scss
index f75ffa9c6..00eec0e4a 100644
--- a/css/_mini_toolbox.scss
+++ b/css/_mini_toolbox.scss
@@ -8,6 +8,8 @@
     .toolbox-icon {
         cursor: pointer;
         padding: 7px;
+        width: 25px;
+        height : 25px;
 
         &.toggled {
             background: $AOTToolbarButtonToggleColor;
diff --git a/webpack.config.js b/webpack.config.js
index 98e585afc..b700f99c7 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -36,7 +36,7 @@ function getPerformanceHints(size) {
 const config = {
     devServer: {
         https: true,
-        host: '0.0.0.0',
+        host: '127.0.0.1',
         inline: true,
         proxy: {
             '/': {