diff --git a/slt/css/core/_default-classes.scss b/slt/css/core/_default-classes.scss
index 346362d..9769d75 100644
--- a/slt/css/core/_default-classes.scss
+++ b/slt/css/core/_default-classes.scss
@@ -5,6 +5,19 @@
     margin: 10px;
 }
 
+.right {
+    float: right;
+}
+
+.left {
+    float: left;
+}
+
+.right,
+.left {
+    margin: 10px;
+}
+
 .centered {
     text-align: center;
 }