fix: Family center enabled tab & join server back button (#263)

src/components/_buttons.scss

@@ -146,3 +146,8 @@ div[role="radio"][class*="selected"] {
   > [class*="premiumIcon_"] {
   color: $crust !important;
 }
+
+// Create a server back button
+div[class^="layerContainer"] button[class^="backButton"][class*="lookBlank"] {
+  color: $text;
+}

src/components/_pages.scss

@@ -419,7 +419,8 @@ div[class^="contentRegion"] {
     }
   }
 
-  #family-center-tab {
+  @at-root #activity-tab,
+    #family-center-tab {
     div[class^="featureCards"] svg[class^="icon"] {
       color: $crust;
     }