diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 5dee1cf355..7dd417c68e 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -1013,9 +1013,8 @@ input[type="color"]:focus,
 input[type="radio"],
 input[type="checkbox"] {
   margin: 4px 0;
+  margin-top: 1px \9;
   *margin-top: 0;
-  /* IE7 */
-
   line-height: normal;
   cursor: pointer;
 }
diff --git a/less/forms.less b/less/forms.less
index 852f0bb6be..490b6bb91f 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -134,6 +134,7 @@ input[type="radio"],
 input[type="checkbox"] {
   margin: 4px 0;
   *margin-top: 0; /* IE7 */
+  margin-top: 1px \9; /* IE8-9 */
   line-height: normal;
   cursor: pointer;
 }