chore: simplify workflows and unify tool logging and mail presentation

themes/horizon/theme.css

@@ -9,8 +9,11 @@
 
     /* Card */
     .email-card { padding:32px 32px 24px;color:#334155;background:#ffffff }
-    .email-heading { margin:0 0 16px;font-size:16px;line-height:1.5;color:#1e293b }
-    .email-text { margin:0 0 8px;font-size:16px;line-height:1.5;color:#334155 }
+    .email-heading,
+    .mail-type-activate > p:first-child,
+    .mail-type-activate_email > p:first-child { margin:0 0 16px;font-size:16px;line-height:1.5;color:#1e293b }
+    .email-text,
+    .mail-type-activate > p:nth-of-type(2) { margin:0 0 8px;font-size:16px;line-height:1.5;color:#334155 }
     .email-subtext { margin:0 0 20px;font-size:16px;line-height:1.5;color:#334155 }
 
     /* Divider */
@@ -73,3 +76,6 @@ body, td { font-family:Helvetica,Arial,sans-serif; }
 .email-btn-row { box-sizing:border-box; }
 .card-body .email-btn { max-width:100%; box-sizing:border-box; white-space:normal; overflow-wrap:anywhere; }
 @media only screen and (max-width:480px) { .card-body .email-btn { display:block; text-align:center; width:100%; } .email-btn-table { width:100%; } }
+
+/* Account activation instructions use the normal body style. */
+.mail-type-activate > p:nth-of-type(2) { font-style:normal; border-left:0; padding-left:0; }