diff --git a/app/assets/stylesheets/_placeholders.scss b/app/assets/stylesheets/_placeholders.scss
new file mode 100644
index 000000000..71870ccec
--- /dev/null
+++ b/app/assets/stylesheets/_placeholders.scss
@@ -0,0 +1,14 @@
+%horizontal-list {
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+  font-size: 0px;
+}
+
+%horizontal-list-item {
+  display: inline-block;
+
+  &:last-of-type {
+    margin-right: 0;
+  }
+}