Add subtle border to ios attachments

// FREEBIE

stylesheets/_themes.scss

@@ -139,6 +139,9 @@ $ios-border-color: rgba(0,0,0,0.1);
     .content, .attachments img {
       border-radius: 15px;
     }
+    .attachments img {
+      border: 1px solid $ios-border-color;
+    }
     .meta {
       float: none;
       clear: both;

stylesheets/manifest.css

@@ -1409,6 +1409,8 @@ li.entry .error-icon-container {
       background: white; }
 .ios .bubble .content, .ios .bubble .attachments img {
   border-radius: 15px; }
+.ios .bubble .attachments img {
+  border: 1px solid rgba(0, 0, 0, 0.1); }
 .ios .bubble .meta {
   float: none;
   clear: both; }