diff --git a/public/cache.manifest b/public/cache.manifest
index 7a7e3c07..0eb31aac 100644
--- a/public/cache.manifest
+++ b/public/cache.manifest
@@ -1,5 +1,5 @@
 CACHE MANIFEST
-#Date Fri Dec 27 2013 22:17:35
+#Date Fri Dec 27 2013 23:03:41
 
 CACHE:
 res/worker.js
diff --git a/public/res-min/themes/base.css b/public/res-min/themes/base.css
index 8df2e0ef..cf0d605f 100644
--- a/public/res-min/themes/base.css
+++ b/public/res-min/themes/base.css
@@ -94,7 +94,7 @@ blockquote.pull-right small:after{content:'\00A0 \2014'}
 q:before,q:after,blockquote:before,blockquote:after{content:""}
 address{display:block;margin-bottom:20px;font-style:normal;line-height:1.428571429}
 code,pre{font-family:Monaco,Menlo,Consolas,"Courier New",monospace}
-code{padding:2px 4px;font-size:90%;color:#000;background-color:#f7f7f7;white-space:nowrap;border-radius:4px}
+code{padding:2px 4px;font-size:90%;color:#000;background-color:rgba(0,0,0,0.04);white-space:nowrap;border-radius:4px}
 pre{display:block;padding:9.5px;margin:0 0 10px;font-size:13px;line-height:1.428571429;word-break:break-all;word-wrap:break-word;color:#333;background-color:#f5f5f5;border:1px solid #ccc;border-radius:4px}pre.prettyprint{margin-bottom:20px}
 pre code{padding:0;font-size:inherit;color:inherit;white-space:pre-wrap;background-color:transparent;border:0}
 .pre-scrollable{max-height:340px;overflow-y:scroll}
diff --git a/public/res/extensions/welcomeTour.js b/public/res/extensions/welcomeTour.js
index 7425ee5e..7b5a360f 100644
--- a/public/res/extensions/welcomeTour.js
+++ b/public/res/extensions/welcomeTour.js
@@ -33,7 +33,7 @@ define([
                 });
                 setTimeout(function() {
                     tooltip.tooltip('hide').removeClass('info-tooltip');
-                }, 10000);
+                }, 30000);
             },
             template: [
                 '<div class="popover tour">',
diff --git a/public/res/styles/base.less b/public/res/styles/base.less
index 02e1260c..9bfe112f 100644
--- a/public/res/styles/base.less
+++ b/public/res/styles/base.less
@@ -11,7 +11,7 @@
 @blockquote-bg: #f8f8f8;
 @title-base-size: 14px;
 @code-color: @text-color;
-@code-bg: darken(@body-bg, 3%);
+@code-bg: fade(@text-color, 4%);
 
 
 @font-face {