increase vertical margin for long text buttons

theme_nin/css/style.css

@@ -1345,7 +1345,7 @@ button, .mini-profile-actions span, a.button {
   display: inline-block;
   line-height: 1em;
   font-weight: 500;
-  margin: 0;
+  margin: 2px 0;
   float: none;
   text-shadow: 2px 2px 0 transparent;
   -moz-transition-property: background;

theme_nin/sass/_commons.sass

@@ -71,7 +71,7 @@ button, a.button
   display: inline-block
   line-height: 1em
   font-weight: 500
-  margin: 0
+  margin: 2px 0
   float: none
   text-shadow: 2px 2px 0 rgba(black,0)
   +transition-property(background)
@@ -90,5 +90,3 @@ button, a.button
     background-color: #999
     &:hover
       color: $bloc-background-color
-
-

theme_nin_night/css/style.css

@@ -1368,7 +1368,7 @@ button, .mini-profile-actions span, a.button {
   display: inline-block;
   line-height: 1em;
   font-weight: 500;
-  margin: 0;
+  margin: 2px 0;
   float: none;
   text-shadow: 2px 2px 0 transparent;
   -moz-transition-property: background;