--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/assets/stylesheets/bootstrap/mixins/_center-block.scss	Thu Jun 15 12:17:09 2017 +0200
@@ -0,0 +1,7 @@
+// Center-align a block level element
+
+@mixin center-block() {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}