diff --git a/browser/base/content/browser.css b/browser/base/content/browser.css
index 5a88e3274a93..347b3c8733be 100644
--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -936,8 +936,8 @@ chatbox[customSize] {
 }
 
 chatbox[customSize="loopChatEnabled"] {
-  /* 430px as defined per UX */
-  height: 430px;
+  /* 325px as defined per UX */
+  height: 325px;
 }
 
 #chat-window[customSize="loopChatEnabled"] {
@@ -946,13 +946,8 @@ chatbox[customSize="loopChatEnabled"] {
 }
 
 chatbox[customSize="loopChatMessageAppended"] {
-  /* 430px as defined per UX */
-  height: 430px;
-}
-
-chatbox[customSize="loopChatDisabledMessageAppended"] {
-  /* 388px as defined per UX */
-  height: 388px;
+  /* 400px as defined per UX */
+  height: 400px;
 }
 
 #chat-window[customSize="loopChatMessageAppended"] {
@@ -976,8 +971,8 @@ chatbar {
 }
 
 chatbar[customSize] > .chatbar-innerbox {
-  /* 450px to make room for the maximum custom-size chatbox; currently 'loopChatMessageAppended'. */
-  margin-top: -450px;
+  /* 425px to make room for the maximum custom-size chatbox; currently 'loopChatMessageAppended'. */
+  margin-top: -425px;
 }
 
 /* Apply crisp rendering for favicons at exactly 2dppx resolution */
diff --git a/browser/components/loop/content/shared/css/conversation.css b/browser/components/loop/content/shared/css/conversation.css
index 4f2a0a43976f..b1972c0a508b 100644
--- a/browser/components/loop/content/shared/css/conversation.css
+++ b/browser/components/loop/content/shared/css/conversation.css
@@ -530,13 +530,13 @@ body[platform="win"] .share-service-dropdown.overflow > .dropdown-menu-item {
 }
 
 .context-url-view-wrapper {
-  padding: 14px 15px;
+  padding: 12px;
+  margin-bottom: 0.5em;
   background-color: #dbf7ff;
 }
 
 .showing-room-name > .text-chat-entries > .text-chat-scroller > .context-url-view-wrapper {
   padding-top: 0;
-  margin-bottom: 0;
 }
 
 .room-context {
@@ -755,7 +755,7 @@ body[platform="win"] .share-service-dropdown.overflow > .dropdown-menu-item {
   .media-wrapper > .focus-stream {
     width: 100%;
     /* A reasonable height */
-    height: 55%;
+    height: 70%;
   }
 
   .media-wrapper.receiving-screen-share > .focus-stream {
@@ -831,7 +831,7 @@ body[platform="win"] .share-service-dropdown.overflow > .dropdown-menu-item {
 
   .desktop-room-wrapper > .media-layout > .media-wrapper > .text-chat-view {
     /* This is temp, to echo the .media-wrapper > .text-chat-view above */
-    height: 45%;
+    height: 30%;
   }
 
   .media-wrapper.receiving-screen-share > .screen {
@@ -930,12 +930,7 @@ body[platform="win"] .share-service-dropdown.overflow > .dropdown-menu-item {
 
   .media-wrapper > .focus-stream {
     flex: 1 1 auto;
-    /* To keep the aspect ratio of video. Update accordingly with chatbox[customSize] width */
-    height: 263px;
-  }
-
-  .desktop-room-wrapper > .media-layout > .media-wrapper > .text-chat-view {
-    height: calc(100% - 263px);
+    height: auto;
   }
 }
 
@@ -965,10 +960,6 @@ body[platform="win"] .share-service-dropdown.overflow > .dropdown-menu-item {
   text-align: start;
 }
 
-.text-chat-scroller div:nth-child(2) {
-  margin-top: .5em;
-}
-
 /* Sent text chat entries should be on the right */
 .text-chat-entry.sent {
   /* aligns paragraph to right side */
@@ -1217,6 +1208,8 @@ html[dir="rtl"] .text-chat-entry.received .text-chat-arrow {
   .text-chat-view {
     display: flex;
     flex-flow: column nowrap;
+    /* 120px max-height of .text-chat-entries plus 40px of .text-chat-box */
+    max-height: 160px;
     /* 60px min-height of .text-chat-entries plus 40px of .text-chat-box */
     min-height: 100px;
     height: auto;
@@ -1227,6 +1220,7 @@ html[dir="rtl"] .text-chat-entry.received .text-chat-arrow {
 
   .text-chat-entries {
     flex: 1 1 auto;
+    max-height: 120px;
     min-height: 60px;
   }
 
diff --git a/browser/components/loop/content/shared/js/textChatStore.js b/browser/components/loop/content/shared/js/textChatStore.js
index 12a45c68bf21..a3bfedf64347 100644
--- a/browser/components/loop/content/shared/js/textChatStore.js
+++ b/browser/components/loop/content/shared/js/textChatStore.js
@@ -119,11 +119,7 @@ loop.store.TextChatStore = (function() {
       // Notify MozLoopService if appropriate that a message has been appended
       // and it should therefore check if we need a different sized window or not.
       if (message.contentType !== CHAT_CONTENT_TYPES.ROOM_NAME) {
-        if (this._storeState.textChatEnabled) {
-          window.dispatchEvent(new CustomEvent("LoopChatMessageAppended"));
-        } else {
-          window.dispatchEvent(new CustomEvent("LoopChatDisabledMessageAppended"));
-        }
+        window.dispatchEvent(new CustomEvent("LoopChatMessageAppended"));
       }
     },
 
diff --git a/browser/components/loop/modules/MozLoopService.jsm b/browser/components/loop/modules/MozLoopService.jsm
index 9c99ea97afe2..3b99c1f0b0b3 100644
--- a/browser/components/loop/modules/MozLoopService.jsm
+++ b/browser/components/loop/modules/MozLoopService.jsm
@@ -963,7 +963,6 @@ var MozLoopServiceInternal = {
 
         const kSizeMap = {
           LoopChatEnabled: "loopChatEnabled",
-          LoopChatDisabledMessageAppended: "loopChatDisabledMessageAppended",
           LoopChatMessageAppended: "loopChatMessageAppended"
         };
 
@@ -982,7 +981,6 @@ var MozLoopServiceInternal = {
 
         window.addEventListener("LoopChatEnabled", onChatEvent);
         window.addEventListener("LoopChatMessageAppended", onChatEvent);
-        window.addEventListener("LoopChatDisabledMessageAppended", onChatEvent);
 
         injectLoopAPI(window);
 
diff --git a/browser/components/loop/test/shared/textChatStore_test.js b/browser/components/loop/test/shared/textChatStore_test.js
index e2e45a62c540..2f411094a5e1 100644
--- a/browser/components/loop/test/shared/textChatStore_test.js
+++ b/browser/components/loop/test/shared/textChatStore_test.js
@@ -96,7 +96,6 @@ describe("loop.store.TextChatStore", function() {
     });
 
     it("should dispatch a LoopChatMessageAppended event", function() {
-      store.setStoreState({ textChatEnabled: true });
       store.receivedTextChatMessage({
         contentType: CHAT_CONTENT_TYPES.TEXT,
         message: "Hello!"
@@ -142,7 +141,6 @@ describe("loop.store.TextChatStore", function() {
     });
 
     it("should dipatch a LoopChatMessageAppended event", function() {
-      store.setStoreState({ textChatEnabled: true });
       store.sendTextChatMessage({
         contentType: CHAT_CONTENT_TYPES.TEXT,
         message: "Hello!"
@@ -248,40 +246,6 @@ describe("loop.store.TextChatStore", function() {
       }]);
     });
 
-    it("should dispatch a LoopChatDisabledMessageAppended event", function() {
-      store.setStoreState({ textChatEnabled: false });
-      store.updateRoomInfo(new sharedActions.UpdateRoomInfo({
-        roomName: "Let's share!",
-        roomUrl: "fake",
-        urls: [{
-          description: "A wonderful event",
-          location: "http://wonderful.invalid",
-          thumbnail: "fake"
-        }]
-      }));
-
-      expect(store.getStoreState("messageList")).eql([
-        {
-          type: CHAT_MESSAGE_TYPES.SPECIAL,
-          contentType: CHAT_CONTENT_TYPES.ROOM_NAME,
-          message: "Let's share!",
-          extraData: undefined,
-          sentTimestamp: undefined,
-          receivedTimestamp: undefined
-        }, {
-          type: CHAT_MESSAGE_TYPES.SPECIAL,
-          contentType: CHAT_CONTENT_TYPES.CONTEXT,
-          message: "A wonderful event",
-          sentTimestamp: undefined,
-          receivedTimestamp: undefined,
-          extraData: {
-            location: "http://wonderful.invalid",
-            thumbnail: "fake"
-          }
-        }
-      ]);
-    });
-
     it("should not dispatch a LoopChatMessageAppended event", function() {
       store.updateRoomInfo(new sharedActions.UpdateRoomInfo({
         roomName: "Let's share!",
diff --git a/browser/components/loop/ui/ui-showcase.js b/browser/components/loop/ui/ui-showcase.js
index d1c70c3c72e0..15fe3c249454 100644
--- a/browser/components/loop/ui/ui-showcase.js
+++ b/browser/components/loop/ui/ui-showcase.js
@@ -898,7 +898,7 @@
           ), 
 
           React.createElement(Section, {name: "DesktopRoomConversationView"}, 
-            React.createElement(FramedExample, {height: 448, 
+            React.createElement(FramedExample, {height: 398, 
                            onContentsRendered: invitationRoomStore.activeRoomStore.forcedUpdate, 
                            summary: "Desktop room conversation (invitation, text-chat inclusion/scrollbars don't happen in real client)", 
                            width: 348}, 
@@ -932,7 +932,7 @@
             ), 
 
             React.createElement(FramedExample, {dashed: true, 
-                           height: 448, 
+                           height: 398, 
                            onContentsRendered: desktopRoomStoreLoading.activeRoomStore.forcedUpdate, 
                            summary: "Desktop room conversation (loading)", 
                            width: 348}, 
@@ -952,7 +952,7 @@
             ), 
 
             React.createElement(FramedExample, {dashed: true, 
-                           height: 448, 
+                           height: 398, 
                            onContentsRendered: roomStore.activeRoomStore.forcedUpdate, 
                            summary: "Desktop room conversation", 
                            width: 348}, 
@@ -1006,7 +1006,7 @@
             ), 
 
             React.createElement(FramedExample, {dashed: true, 
-                           height: 448, 
+                           height: 398, 
                            onContentsRendered: desktopLocalFaceMuteRoomStore.activeRoomStore.forcedUpdate, 
                            summary: "Desktop room conversation local face-mute", 
                            width: 348}, 
@@ -1022,7 +1022,7 @@
             ), 
 
             React.createElement(FramedExample, {dashed: true, 
-                           height: 448, 
+                           height: 398, 
                            onContentsRendered: desktopRemoteFaceMuteRoomStore.activeRoomStore.forcedUpdate, 
                            summary: "Desktop room conversation remote face-mute", 
                            width: 348}, 
diff --git a/browser/components/loop/ui/ui-showcase.jsx b/browser/components/loop/ui/ui-showcase.jsx
index 866ff04400e8..e51142f0ccd6 100644
--- a/browser/components/loop/ui/ui-showcase.jsx
+++ b/browser/components/loop/ui/ui-showcase.jsx
@@ -898,7 +898,7 @@
           </Section>
 
           <Section name="DesktopRoomConversationView">
-            <FramedExample height={448}
+            <FramedExample height={398}
                            onContentsRendered={invitationRoomStore.activeRoomStore.forcedUpdate}
                            summary="Desktop room conversation (invitation, text-chat inclusion/scrollbars don't happen in real client)"
                            width={348}>
@@ -932,7 +932,7 @@
             </FramedExample>
 
             <FramedExample dashed={true}
-                           height={448}
+                           height={398}
                            onContentsRendered={desktopRoomStoreLoading.activeRoomStore.forcedUpdate}
                            summary="Desktop room conversation (loading)"
                            width={348}>
@@ -952,7 +952,7 @@
             </FramedExample>
 
             <FramedExample dashed={true}
-                           height={448}
+                           height={398}
                            onContentsRendered={roomStore.activeRoomStore.forcedUpdate}
                            summary="Desktop room conversation"
                            width={348}>
@@ -1006,7 +1006,7 @@
             </FramedExample>
 
             <FramedExample dashed={true}
-                           height={448}
+                           height={398}
                            onContentsRendered={desktopLocalFaceMuteRoomStore.activeRoomStore.forcedUpdate}
                            summary="Desktop room conversation local face-mute"
                            width={348}>
@@ -1022,7 +1022,7 @@
             </FramedExample>
 
             <FramedExample dashed={true}
-                           height={448}
+                           height={398}
                            onContentsRendered={desktopRemoteFaceMuteRoomStore.activeRoomStore.forcedUpdate}
                            summary="Desktop room conversation remote face-mute"
                            width={348} >