fix video player size in threads

mastodon/mastodon4.user.css

@@ -1,7 +1,7 @@
 /* ==UserStyle==
 @name           mastodon 4 ui tweaks
 @namespace      mastodon4
-@version        1.0.10
+@version        1.0.11
 @description    fixes the weird spacing on the new mastodon web ui. intended for the advanced user interface, may also work with the single column one.
 @author         xenua
 @license        CNPLv7+
@@ -48,6 +48,10 @@
         padding: 0;
         margin-inline-start: 16px;
     }
+    .status--in-thread .video-player {
+        margin-inline-start: 8px;
+        width: calc(100% - 8px);
+    }
     .status-card {
         margin-inline-start: 0 !important;
         width: calc(100% - 24px) !important;