diff --git a/admin/css/style.css b/admin/css/style.css
index 10b8f7b7..d57888ef 100644
--- a/admin/css/style.css
+++ b/admin/css/style.css
@@ -1091,7 +1091,7 @@ a.operate-reply {
   .wmd-prompt-dialog input[type="text"] {
     margin-bottom: 10px;
     width: 100%; }
-  .wmd-prompt-dialog input[type="button"] {
+  .wmd-prompt-dialog button {
     margin-right: 10px; }
 
 /* 预览 */
diff --git a/admin/js/markdown.js b/admin/js/markdown.js
index 1452ca43..f3ee7ac5 100644
--- a/admin/js/markdown.js
+++ b/admin/js/markdown.js
@@ -4170,7 +4170,7 @@ else
             // The ok button
             var okButton = doc.createElement("button");
             okButton.type = "button";
-            okButton.className = "primary";
+            okButton.className = "btn-s primary";
             okButton.onclick = function () { return close(false); };
             okButton.innerHTML = "OK";
             /*
@@ -4183,6 +4183,7 @@ else
             // The cancel button
             var cancelButton = doc.createElement("button");
             cancelButton.type = "button";
+            cancelButton.className = "btn-s";
             cancelButton.onclick = function () { return close(true); };
             cancelButton.innerHTML = "Cancel";
             /*
diff --git a/admin/scss/components/_editor.scss b/admin/scss/components/_editor.scss
index 9fd1da7f..eb2fe4b8 100644
--- a/admin/scss/components/_editor.scss
+++ b/admin/scss/components/_editor.scss
@@ -58,7 +58,7 @@
     margin-bottom: 10px;
     width: 100%;
   }
-  input[type="button"] { margin-right: 10px; }
+  button { margin-right: 10px; }
 }
 
 /* 预览 */