adding left space button modifier

opentech/static_src/src/sass/components/_button.scss

@@ -9,6 +9,10 @@
         cursor: pointer;
     }
 
+    &--left-space {
+        margin-left: 20px;
+    }
+
     // cannot conform to BEM here in order to be able to override google button styles
     &--google-translate {
         display: none;