diff --git a/dev/scss/main/buttongroup.scss b/dev/scss/main/buttongroup.scss
index 49df159..b78ed88 100644
--- a/dev/scss/main/buttongroup.scss
+++ b/dev/scss/main/buttongroup.scss
@@ -132,4 +132,7 @@
   > span {
     @include blind;
   }
+  &[data-icon]::after {
+    content: attr(data-icon);
+  }
 }
diff --git a/dev/scss/main/resultinfo.scss b/dev/scss/main/resultinfo.scss
index 67b4157..5556239 100644
--- a/dev/scss/main/resultinfo.scss
+++ b/dev/scss/main/resultinfo.scss
@@ -98,6 +98,9 @@
 
 // Define icons for result buttons
 .button-icon {
+
+  // TODO:
+  //   Add icon via data-icon
   &.align.left::after {
     content: $fa-left-align;
   }