Update docs demo margin

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/src/contents/sliders.pug b/docs/src/contents/sliders.pug
index de3597b..754833c 100644
--- a/docs/src/contents/sliders.pug
+++ b/docs/src/contents/sliders.pug
@@ -3,7 +3,7 @@ p
   | You can add the class #[code tooltip] to have tooltip labels.
   | If no #[code data-tooltip] is set, the #[code value] will be used instead.
 
-.columns
+.docs-demo.columns
   .column.col-6.col-xs-12
     input.slider.tooltip(type="range" min="0" max="100" value="50" oninput="this.setAttribute('value', this.value);")
   .column.col-6.col-xs-12