Minor fixes to the reply dialog

Bug: Google b/194266385
Change-Id: If6937a3b35ed62d54bdf284cf0b7dbfecfc83a7b
diff --git a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_html.ts b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_html.ts
index 8201dbc..bc18817 100644
--- a/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_html.ts
+++ b/polygerrit-ui/app/elements/change/gr-reply-dialog/gr-reply-dialog_html.ts
@@ -130,6 +130,9 @@
     #textarea {
       flex: 1;
     }
+    .previewContainer {
+      border-top: none;
+    }
     .previewContainer gr-formatted-text {
       background: var(--table-header-background-color);
       padding: var(--spacing-l);
@@ -244,7 +247,6 @@
     .patchsetLevelContainer {
       width: 80ch;
       border-radius: var(--border-radius);
-      margin-left: var(--spacing-xl);
       box-shadow: var(--elevation-level-2);
     }
     .patchsetLevelContainer.resolved{
@@ -255,7 +257,7 @@
     }
     .labelContainer {
       padding-left: var(--spacing-m);
-      padding-bottom: var(--spacing-l);
+      padding-bottom: var(--spacing-m);
     }
 
   </style>
diff --git a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_html.ts b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_html.ts
index 93a432b..63e1d00 100644
--- a/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_html.ts
+++ b/polygerrit-ui/app/elements/change/gr-thread-list/gr-thread-list_html.ts
@@ -20,7 +20,6 @@
   <style include="shared-styles">
     #threads {
       display: block;
-      padding: var(--spacing-l);
     }
     gr-comment-thread {
       display: block;