diff --git a/app/assets/stylesheets/css3/_cleared.scss b/app/assets/stylesheets/css3/_cleared.scss
new file mode 100644
index 000000000..b8af54226
--- /dev/null
+++ b/app/assets/stylesheets/css3/_cleared.scss
@@ -0,0 +1,10 @@
+@mixin cleared ($clear: both) {
+    &:after {
+        clear: $clear;
+        display: block;
+        content: " ";
+        font-size: 0;
+        height: 0;
+        visibility: hidden;
+    }
+}
\ No newline at end of file