Fix extension windows positioning

Author: zalmoxisus

src/browser/extension/background/openWindow.js

@@ -41,8 +41,8 @@ export default function openDevToolsWindow(position) {
       params.left = window.screen.availLeft + window.screen.availWidth - params.width;
       break;
     case 'devtools-bottom':
-      params.height = 350;
-      params.top = window.screen.availHeight - params.height;
+      params.height = 420;
+      params.top = window.screen.height - params.height;
       params.width = window.screen.availWidth;
       break;
     case 'devtools-panel':

src/browser/views/devpanel.jade

@@ -1,11 +1,15 @@
 doctype html
 
 html
-    head
-        meta(charset='UTF-8')
-    title Redux DevTools
-    include ./includes/style.jade
+  head
+    meta(charset='UTF-8')
+  title Redux DevTools
+  include ./includes/style.jade
+  style.
+    html {
+      min-height: 100px;
+    }
 
-    body
-        #root
-        script(src='/js/devpanel.bundle.js')
+  body
+    #root
+    script(src='/js/devpanel.bundle.js')