add margin beyond buttons

CHANGELOG.md

@@ -26,3 +26,8 @@ Version 1.5.4
 - create function "OVERLAPSI", which will detect period of date overlapping, replacing NULL date by infinity or -infinity (see [postgresql page for date time function and operators](https://www.postgresql.org/docs/9.6/static/functions-datetime.html))
 - add repository for Center class
 
+Master branch
+=============
+
+- add margin of 0.5rem beyond buttons ;
+

Resources/public/sass/custom/modules/_buttons.scss

@@ -1,4 +1,6 @@
 .sc-button {
+    margin-bottom: 0.5rem;
+    
     &.bt-submit, &.bt-save, &.bt-create, &.bt-new {
         @include button($green, $white);
     }