diff --git a/css/utility.css b/css/utility.css
index fc1d6bc18..4358b3d7c 100644
--- a/css/utility.css
+++ b/css/utility.css
@@ -1,3 +1,5 @@
+@import "dijit.css";
+
 body {
 	background : #f5f5f5;
 	color : black;
@@ -24,6 +26,7 @@ div.content {
 	background : white;
 	border : 1px solid #ddd;
 	padding : 10px;
+	border-radius : 6px;
 	box-shadow : 0px 1px 1px -1px rgba(0,0,0,0.1);
 }
 
diff --git a/css/zoom.css b/css/zoom.css
index f2230d7c1..7cc15b649 100644
--- a/css/zoom.css
+++ b/css/zoom.css
@@ -61,6 +61,7 @@ body#ttrssZoom div.postReply {
 	border : 1px solid #ddd;
 	background : white;
 	box-shadow : 0px 1px 1px -1px rgba(0,0,0,0.1);
+	border-radius : 6px;
 }
 
 body#ttrssZoom div.footer {
diff --git a/install/index.php b/install/index.php
index a3f21cbb3..346765579 100644
--- a/install/index.php
+++ b/install/index.php
@@ -87,13 +87,11 @@
 	}
 
 	function print_error($msg) {
-		print "<div class='error'><span><img src='../images/alert.png'></span>
-			<span>$msg</span></div>";
+		print "<div class='alert alert-error'>$msg</div>";
 	}
 
 	function print_notice($msg) {
-		print "<div class=\"notice\">
-			<span><img src=\"../images/information.png\"></span><span>$msg</span></div>";
+		print "<div class=\"alert alert-info\">$msg</div>";
 	}
 
 	function db_connect($host, $user, $pass, $db, $type, $port = false) {