accounts_accept_terms: Make elements looks similar to other pages.

Add even vertical space between elements.

static/styles/portico/portico_signin.css

@@ -284,9 +284,33 @@ html {
     }
 }
 
-.account-accept-terms-page .terms-of-service .input-group {
-    width: 450px;
-    margin: 0 auto 10px;
+.account-accept-terms-page {
+    #registration,
+    #accept_tos_button {
+        margin: 0;
+    }
+
+    .fakecontrol {
+        font-weight: normal;
+    }
+
+    .description {
+        margin-bottom: 20px;
+        font-size: 16px;
+        font-weight: 400;
+    }
+
+    .center-block {
+        max-width: 800px;
+
+        .control-group {
+            margin-bottom: 5px;
+        }
+    }
+
+    #accept_tos_button {
+        margin-top: 20px;
+    }
 }
 
 .register-account {

templates/zerver/accounts_accept_terms.html

@@ -13,7 +13,7 @@ the registration flow has its own (nearly identical) copy of the fields below in
         {% include special_message_template %}
         {% else %}
         <div class="pitch">
-            <h1 class="get-started">{{ _("Accept the new Terms of Service") }}…</h1>
+            <h1 class="get-started">{{ _("Accept the Terms of Service") }}</h1>
         </div>
         {% endif %}
 
@@ -27,7 +27,13 @@ the registration flow has its own (nearly identical) copy of the fields below in
                     </div>
                 </div>
 
-                <div class="input-group margin terms-of-service">
+                {% if terms_of_service_message %}
+                <div class="description">
+                    <p>{{ terms_of_service_message |safe }}</p>
+                </div>
+                {% endif %}
+
+                <div class="input-group terms-of-service">
                     {#
                     This is somewhat subtle.
                     Checkboxes have a name and value, and when the checkbox is ticked, the form posts
@@ -48,10 +54,9 @@ the registration flow has its own (nearly identical) copy of the fields below in
                         {% endfor %}
                     {% endif %}
                 </div>
-                <br />
                 <div class="control-group">
                     <div class="controls">
-                        <input type="submit" class="btn btn-primary" value="{{ _('Enter') }}" /><br />
+                        <button id="accept_tos_button" type="submit">{{ _('Accept') }}</button>
                         <input type="hidden" name="next" value="{{ next }}" />
                     </div>
                 </div>

zerver/context_processors.py

@@ -176,6 +176,7 @@ def zulip_default_context(request: HttpRequest) -> Dict[str, Any]:
         "platform": RequestNotes.get_notes(request).client_name,
         "allow_search_engine_indexing": allow_search_engine_indexing,
         "landing_page_navbar_message": settings.LANDING_PAGE_NAVBAR_MESSAGE,
+        "terms_of_service_message": settings.TERMS_OF_SERVICE_MESSAGE,
         "is_isolated_page": is_isolated_page(request),
         "default_page_params": default_page_params,
     }

zerver/tests/test_home.py

@@ -462,7 +462,7 @@ class HomeTest(ZulipTestCase):
                 result = self.client_get("/", dict(stream="Denmark"))
 
             html = result.content.decode()
-            self.assertIn("Accept the new Terms of Service", html)
+            self.assertIn("Accept the Terms of Service", html)
 
     def test_banned_desktop_app_versions(self) -> None:
         user = self.example_user("hamlet")

zproject/default_settings.py

@@ -355,8 +355,16 @@ REALM_CREATION_LINK_VALIDITY_DAYS = 7
 # user to click through to re-accept terms of service before using
 # Zulip again on the web.
 TERMS_OF_SERVICE_VERSION: Optional[str] = None
-# Template to use when bumping TERMS_OF_SERVICE_VERSION to explain situation.
+# HTML template path (e.g. "corporate/zulipchat_migration_tos.html")
+# displayed to users when increasing TERMS_OF_SERVICE_VERSION when a
+# user is to accept the terms of service for the first time, but
+# already has an account. This primarily comes up when doing a data
+# import.
 FIRST_TIME_TERMS_OF_SERVICE_TEMPLATE: Optional[str] = None
+# Custom message (HTML allowed) to be displayed to explain why users
+# need to re-accept the terms of service when a new major version is
+# written.
+TERMS_OF_SERVICE_MESSAGE: Optional[str] = None
 
 # Hostname used for Zulip's statsd logging integration.
 STATSD_HOST = ""

zproject/dev_settings.py

@@ -80,6 +80,7 @@ INVITES_MIN_USER_AGE_DAYS = 0
 # For development convenience, configure the ToS/Privacy Policies
 POLICIES_DIRECTORY = "corporate/policies"
 TERMS_OF_SERVICE_VERSION = "1.0"
+TERMS_OF_SERVICE_MESSAGE: Optional[str] = "Description of changes to the ToS!"
 
 EMBEDDED_BOTS_ENABLED = True