diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 02a32014c7..412e05e79b 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -1015,6 +1015,7 @@ input[type="checkbox"] {
   cursor: pointer;
 }
 
+input[type="file"],
 input[type="image"],
 input[type="submit"],
 input[type="reset"],
diff --git a/less/forms.less b/less/forms.less
index c77339e41e..77b5135a40 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -140,6 +140,7 @@ input[type="checkbox"] {
 }
 
 // Reset width of input images, buttons, radios, checkboxes
+input[type="file"],
 input[type="image"],
 input[type="submit"],
 input[type="reset"],