diff --git a/site/theme/static/demo.less b/site/theme/static/demo.less
index b8a9e9dd9..1363643a3 100644
--- a/site/theme/static/demo.less
+++ b/site/theme/static/demo.less
@@ -62,6 +62,7 @@
     transform: scale(0.9);
     background: #fff;
     padding-right: 6px;
+    text-decoration: none;
   }
 
   &-demo {
diff --git a/site/theme/static/home.less b/site/theme/static/home.less
index 7cdfc51ce..af9879022 100644
--- a/site/theme/static/home.less
+++ b/site/theme/static/home.less
@@ -50,6 +50,7 @@
     font-weight: 500;
     border-radius: @border-radius-base;
     border: 1px solid @start-button-color;
+    text-decoration: none;
     color: #0ae;
     font-size: 15px;
     background: transparent;
diff --git a/site/theme/static/markdown.less b/site/theme/static/markdown.less
index 9fbd4c35b..4c2f155bb 100644
--- a/site/theme/static/markdown.less
+++ b/site/theme/static/markdown.less
@@ -164,6 +164,7 @@
   display: inline-block;
   margin-left: 10px;
   height: 12px;
+  text-decoration: none;
 
   i {
     color: #999;
diff --git a/site/theme/static/page-nav.less b/site/theme/static/page-nav.less
index 7111223a3..fdbeae444 100644
--- a/site/theme/static/page-nav.less
+++ b/site/theme/static/page-nav.less
@@ -14,6 +14,7 @@
     float: left;
     line-height: 72px;
     height: 72px;
+    text-decoration: none;
   }
 
   > a.prev-page {