Fix icon style for right border buttons

Change-Id: I6e321393436f53917e67e106cd208819453b9238
diff --git a/dev/scss/main/buttongroup.scss b/dev/scss/main/buttongroup.scss
index ff283c3..db3462a 100644
--- a/dev/scss/main/buttongroup.scss
+++ b/dev/scss/main/buttongroup.scss
@@ -129,7 +129,7 @@
 
 .button-icon {
   @include icon-font;
-  line-height: .7;
+  line-height: 1.3;
   > span {
     @include blind;
   }
@@ -137,3 +137,7 @@
     content: attr(data-icon);
   }
 }
+
+.button-panel .button-icon {
+  line-height: .7;
+}
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