added default censored messages

src/views/preview/banner.scss

@@ -2,7 +2,7 @@
 
 $navigation-height: 50px;
 
-.banner-outer {
+.banner-outer{
     display: flex;
     background-color: $ui-orange-25percent;
     width: 100%;
@@ -25,18 +25,18 @@ $navigation-height: 50px;
 }
 
 .banner-inner {
+    padding-top: .325rem;
+    padding-bottom: .325rem;
     align-items: center;
     justify-content: space-between;
     flex-wrap: nowrap;
 }
 
-.banner-text {
-    padding: .5rem 0;
+.banner-text{
+    padding: .625rem 0;
 }
 
 .banner-button {
-    margin-top: .75rem;
-    margin-bottom: .75rem;
     border-radius: .25rem;
     background-color: $ui-orange;
     padding-top: .6875rem;

src/views/preview/l10n.json

@@ -28,6 +28,10 @@
     "project.notesAndCreditsLabel": "Notes and Credits",
     "project.credit": "Thanks to {userLink} for the original project {projectLink}.",
     "project.deletedBanner": "Note: This project is in the trash folder",
+    "project.defaultCensoredMessage": "This project was removed by the Scratch Team because it was disrespectful, inappropriate for all ages, or otherwise breaks the Scratch community guidelines.",
+    "project.tempCensoredMessage": "Please read the {communityGuidelinesLink} and be sure to edit the project to make sure it's respectful before resharing it.",
+    "project.permCensoredMessage": "It cannot be reshared at any time in the future.",
+    "project.communityGuidelines": "community guidelines",
     "project.moderationInfoLabel": "Moderation Info",
     "project.numScripts": "{number} scripts",
     "project.numSprites": "{number} sprites",

src/views/preview/presentation.jsx

@@ -144,9 +144,35 @@ const PreviewPresentation = ({
             message={<FormattedMessage id="project.deletedBanner" />}
         />);
     } else if (visibilityInfo.censored) {
+        let censoredMessage;
+        if (visibilityInfo.message) { // if message is present, set innerHTML with it
+            censoredMessage = embedCensorMessage(visibilityInfo.message);
+        } else { // if message is blank or missing, use default
+            censoredMessage = (
+                <React.Fragment>
+                    <FormattedMessage id="project.defaultCensoredMessage" />
+                    <br />
+                    <br />
+                    {visibilityInfo.reshareable ? (
+                        <FormattedMessage
+                            id="project.tempCensoredMessage"
+                            values={{
+                                communityGuidelinesLink: (
+                                    <a href="/community_guidelines/">
+                                        <FormattedMessage id="project.communityGuidelines" />
+                                    </a>
+                                )
+                            }}
+                        />
+                    ) : (
+                        <FormattedMessage id="project.permCensoredMessage" />
+                    )}
+                </React.Fragment>
+            );
+        }
         banner = (<Banner
             className="banner-danger"
-            message={embedCensorMessage(visibilityInfo.message)}
+            message={censoredMessage}
         />);
     } else if (justRemixed) {
         banner = (