--- a/src/pyams_skin/resources/less/typo.less	Fri Oct 13 09:11:57 2017 +0200
+++ b/src/pyams_skin/resources/less/typo.less	Fri Oct 13 09:54:36 2017 +0200
@@ -208,9 +208,15 @@
 	&-top-5 {
 		margin-top: 5px!important;
 	}
+	&-top-5-neg {
+		margin-top: -5px!important;
+	}
 	&-top-10 {
 		margin-top: 10px!important;
 	}
+	&-top-10-neg {
+		margin-top: -10px!important;
+	}
 	&-top-20 {
 		margin-top: 20px!important;
 	}
@@ -238,9 +244,15 @@
 	&-left-5 {
 		margin-left: 5px!important;
 	}
+	&-left-5-neg {
+		margin-left: -5px!important;
+	}
 	&-left-10 {
 		margin-left: 10px!important;
 	}
+	&-left-10-neg {
+		margin-left: -10px!important;
+	}
 	&-left-20 {
 		margin-left: 20px!important;
 	}