Resized Portal preview iframe

no refs.
- made Portal preview iframe a bit smaller to make sure users get the UI context

app/components/gh-site-iframe.hbs

@@ -1,4 +1,4 @@
-<iframe id="site-frame" class="site-frame" src="{{this.srcUrl}}" frameborder="0" allowtransparency="true"></iframe>
+<iframe id="site-frame" class="site-frame {{this.classNames}}" src="{{this.srcUrl}}" frameborder="0" allowtransparency="true"></iframe>
 
 <style>
 .site-frame {

app/components/modal-members-modal-settings.hbs

@@ -268,6 +268,7 @@
                 <GhSiteIframe
                     @guid="test-site-portal"
                     @src={{this.portalPreviewUrl}}
+                    @classNames="gh-portal-siteiframe"
                 ></GhSiteIframe>
             </div>
             <div class="modal-footer">

app/styles/layouts/portal-settings.css

@@ -243,4 +243,12 @@
     border-radius: 2px;
     background: var(--white);
     border: 1px solid var(--whitegrey);
+}
+
+.gh-portal-siteiframe {
+    border-radius: 5px;
+    transform: scale(0.9) !important;
+    transform-origin: 0 0;
+    width: calc((1 / 0.9) * 100%) !important;
+    height: calc((1 / 0.9) * 100%) !important;
 }