make otomotone theme a bit rounder

sass/otomotone.scss

@@ -8,6 +8,8 @@ $dark_accent: #231c23;
 $warn: #eaea6a;
 $crit: #d53232;
 
+$br: 8px;
+
 @use 'default' with (
   $ACCENT_COLOR: #9b649b,
 
@@ -30,7 +32,7 @@ $crit: #d53232;
   $BUTTON_CRITICAL_FONT_COLOR: $fc,
   $ACCORDION_COLOR: #7d467d,
 
-  $DEFAULT_BORDER_RADIUS: 8px,
+  $DEFAULT_BORDER_RADIUS: $br,
 
   $bottomnav_color: $dark_accent,
 
@@ -85,6 +87,25 @@ $crit: #d53232;
   border: 10px solid rgb(40, 40, 40);
 }
 
+#bottomnav {
+  margin-top: 10px;
+  border: 10px solid rgb(40, 40, 40);
+}
+
 footer {
   margin-top: 10px;
 }
+
+.infobox, .motd {
+  border-radius: $br;
+}
+
+.thread-sticky-container {
+  border-top-left-radius: $br;
+  border-bottom-left-radius: $br;
+}
+
+.thread-locked-container {
+  border-top-right-radius: $br;
+  border-bottom-right-radius: $br;
+}