Release v0.2.1 (#274)

assets/css/_mixin/_compatibility.scss

@@ -85,3 +85,8 @@
   -moz-appearance: $value;
   -webkit-appearance: $value;
 }
+
+@mixin overflow-wrap($value) {
+  word-wrap: $value;
+  overflow-wrap: $value;
+}

assets/css/_mixin/_summary.scss

@@ -44,7 +44,7 @@
       width: 100%;
       overflow: hidden;
       text-overflow: ellipsis;
-      overflow-wrap: break-word;
+      @include overflow-wrap(break-word);
       color: $global-font-secondary-color;
 
       [theme=dark] & {