website: mention "mox localserve" as a good way to get a feeling for mox

website/index.md

@@ -48,14 +48,19 @@ or see [all releases](https://github.com/mjl-/mox/releases).
 ## Quickstart demo
 
 Mox is real easy to set up. Get a machine, download the mox binary, run the
-quickstart, add the printed DNS records, and you're good to go. See the demo
-below, or continue reading at [Install](install/).
+quickstart, add the printed DNS records, and you've got a working modern mail
+server. See the demo below, or continue reading at [Install](install/).
 
 <video controls preload="none" poster="files/video/quickstart-20240111.jpg">
 	<source type="video/mp4" src="files/video/quickstart-20240111.mp4" />
 	<source type="video/webm" src="files/video/quickstart-20240111.webm" />
 </video>
 
+Not ready for a full setup yet? Try mox in less than a minute:
+[download](https://beta.gobuilds.org/github.com/mjl-/mox) and run "mox
+localserve". It serves a local-only SMTP/IMAP/Webmail/etc for testing and
+development. No setup required.
+
 ## Background
 
 Work on mox started in 2021. Admins were migrating their emails to just a few

website/website.go

@@ -407,7 +407,7 @@ dt { font-weight: bold; margin-bottom: .5ex; }
 dd { max-width: 50em; padding-left: 2em; margin-bottom: 1em; }
 table { margin-bottom: 2ex; }
 
-video { display: block; max-width: 100%; box-shadow: 0 0 20px 0 #ddd; margin: 0 auto; }
+video { display: block; max-width: 100%; box-shadow: 0 0 20px 0 #ddd; margin: 2ex auto; }
 .img1 { width: 1050px; max-width: 100%; box-shadow: 0 0 20px 0 #bbb; }
 .img2 { width: 1500px; max-width: 100%; box-shadow: 0 0 20px 0 #bbb; }