diff --git a/src/ui/header.css b/src/ui/header.css
index 4efeba514..e444c1f56 100644
--- a/src/ui/header.css
+++ b/src/ui/header.css
@@ -46,10 +46,20 @@ header span:hover {
   background: #f7f7f7;
 }
 
+@media platform != "OSX" {
+header span:hover {
+  background: #d9d9d9;
+}
+}
+
 header #screen:hover {
   background: #d9d9d9;
 }
 
+header #secure:hover {
+  background: unset;
+}
+
 header span:active, header #screen:active {
   color: black;
   background: color(gray-bg);
diff --git a/src/ui/index.tis b/src/ui/index.tis
index 89b6fa063..0ad2b17d8 100644
--- a/src/ui/index.tis
+++ b/src/ui/index.tis
@@ -303,7 +303,7 @@ class InstallMe: Reactor.Component {
         return <div .install-me>
             <span />
             <div>{translate('install_tip')}</div>
-            <button #install-me .button>{translate('Install')}</button>
+            <div style="text-align: center; margin-top: 1em;"><button #install-me .button>{translate('Install')}</button></div>
         </div>;
     }