优化打印样式
diff --git a/themes/bootstrap-blog/source/css/custom.css b/themes/bootstrap-blog/source/css/custom.css
index 9a6cc3c..21277af 100644
--- a/themes/bootstrap-blog/source/css/custom.css
+++ b/themes/bootstrap-blog/source/css/custom.css
@@ -14,6 +14,7 @@
   font-family: Georgia, "Times New Roman", Times, serif;
   color: #555;
   font-size: 16px;
+  -webkit-print-color-adjust: exact;
 }
 
 h1, .h1,
@@ -353,3 +354,34 @@
   background-color: #f8f8f8;
 }
 
+@media print {
+    body {
+        -webkit-print-color-adjust: exact;
+    }
+
+    .blog-sidebar {
+        display: none;
+    }
+    .blog-footer {
+        display: none;
+    }
+    #article-footer {
+        display: none;
+    }
+    #article-nav {
+        display: none;
+    }
+
+    .blog-main {
+        padding-top: 0px;
+        background-color: #00FF00;
+    }
+
+    table th {
+        background-color: #f8f8f8 !important;
+    }
+
+    .code td>pre {
+        background-color: #FF0000 !important; /*#CCCCCC;*/
+    }
+}