fix bg img

themes/light/layout/_partial/after_footer.ejs

@@ -9,4 +9,6 @@
   $('.fancybox').fancybox();
 })(jQuery);
 </script>
-<% } %>
\ No newline at end of file
+<% } %>
+
+<div id='bg'></div>
\ No newline at end of file

themes/light/source/css/_base/layout.styl

@@ -4,12 +4,6 @@
   font-family "Microsoft YaHei" !important
 
 body
-  background-image img-background
-  background-color color-background
-  background-attachment fixed
-  background-repeat no-repeat
-  background-position center
-  background-size cover
   color color-font
   font-family font-default
   font-size 14px
@@ -66,4 +60,18 @@ a
   @media screen and (max-width: 1260px)
     margin-right 300px
   @media screen and (max-width: 900px)
-    margin-right 0
\ No newline at end of file
+    margin-right 0
+    
+#bg
+  background-image img-background
+  background-color color-background
+  background-attachment fixed
+  background-repeat no-repeat
+  background-position center
+  background-size cover
+  height 100%
+  left 0
+  position fixed
+  top 0
+  width 100%
+  z-index -1
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