diff --git a/plugins/chat/assets/stylesheets/mobile/chat-side-panel.scss b/plugins/chat/assets/stylesheets/mobile/chat-side-panel.scss
new file mode 100644
index 00000000000..916cd6bbef6
--- /dev/null
+++ b/plugins/chat/assets/stylesheets/mobile/chat-side-panel.scss
@@ -0,0 +1,3 @@
+.chat-side-panel {
+  border-left: 0;
+}
diff --git a/plugins/chat/assets/stylesheets/mobile/chat-thread.scss b/plugins/chat/assets/stylesheets/mobile/chat-thread.scss
new file mode 100644
index 00000000000..e87ec91b4ca
--- /dev/null
+++ b/plugins/chat/assets/stylesheets/mobile/chat-thread.scss
@@ -0,0 +1,6 @@
+.chat-thread {
+  &__body {
+    margin: 0 1px 0 0;
+    padding: 0 10px;
+  }
+}
diff --git a/plugins/chat/assets/stylesheets/mobile/index.scss b/plugins/chat/assets/stylesheets/mobile/index.scss
index 90fce33e9d0..0ad573b513d 100644
--- a/plugins/chat/assets/stylesheets/mobile/index.scss
+++ b/plugins/chat/assets/stylesheets/mobile/index.scss
@@ -7,3 +7,5 @@
 @import "chat-selection-manager";
 @import "chat-emoji-picker";
 @import "chat-composer-upload";
+@import "chat-side-panel";
+@import "chat-thread";