diff --git a/web/chat/composed-message.react.js b/web/chat/composed-message.react.js
index 8f85e3c9d..a06497dbd 100644
--- a/web/chat/composed-message.react.js
+++ b/web/chat/composed-message.react.js
@@ -1,270 +1,268 @@
 // @flow
 
 import classNames from 'classnames';
 import invariant from 'invariant';
 import * as React from 'react';
 import {
   Circle as CircleIcon,
   CheckCircle as CheckCircleIcon,
   XCircle as XCircleIcon,
 } from 'react-feather';
 
 import { type ChatMessageInfoItem } from 'lib/selectors/chat-selectors';
 import { useSidebarExistsOrCanBeCreated } from 'lib/shared/thread-utils';
 import { stringForUser } from 'lib/shared/user-utils';
 import { assertComposableMessageType } from 'lib/types/message-types';
 import { type ThreadInfo } from 'lib/types/thread-types';
 
 import { type InputState, InputStateContext } from '../input/input-state';
 import css from './chat-message-list.css';
 import FailedSend from './failed-send.react';
 import { InlineSidebar } from './inline-sidebar.react';
 import MessageActionButton from './message-action-button';
 import MessageReplyButton from './message-reply-button.react';
 import {
   type OnMessagePositionWithContainerInfo,
   type MessagePositionInfo,
 } from './position-types';
 import { tooltipPositions } from './tooltip-utils';
 
 const availableTooltipPositionsForViewerMessage = [
   tooltipPositions.TOP_RIGHT,
   tooltipPositions.LEFT,
 ];
 const availableTooltipPositionsForNonViewerMessage = [
   tooltipPositions.TOP_LEFT,
   tooltipPositions.RIGHT,
 ];
 
 type BaseProps = {
   +item: ChatMessageInfoItem,
   +threadInfo: ThreadInfo,
   +sendFailed: boolean,
   +setMouseOverMessagePosition: (
     messagePositionInfo: MessagePositionInfo,
   ) => void,
   +mouseOverMessagePosition?: ?OnMessagePositionWithContainerInfo,
   +canReply: boolean,
   +children: React.Node,
   +fixedWidth?: boolean,
   +borderRadius: number,
 };
 type BaseConfig = React.Config<BaseProps, typeof ComposedMessage.defaultProps>;
 type Props = {
   ...BaseProps,
   // Redux state
   +sidebarExistsOrCanBeCreated: boolean,
   // withInputState
   +inputState: ?InputState,
 };
 class ComposedMessage extends React.PureComponent<Props> {
   static defaultProps: { +borderRadius: number } = {
     borderRadius: 8,
   };
 
   render(): React.Node {
     assertComposableMessageType(this.props.item.messageInfo.type);
     const { borderRadius, item, threadInfo } = this.props;
     const { id, creator } = item.messageInfo;
     const threadColor = threadInfo.color;
 
     const { isViewer } = creator;
     const contentClassName = classNames({
       [css.content]: true,
       [css.viewerContent]: isViewer,
       [css.nonViewerContent]: !isViewer,
     });
     const messageBoxContainerClassName = classNames({
       [css.messageBoxContainer]: true,
-      [css.viewerMessageBoxContainer]: isViewer,
-      [css.nonViewerMessageBoxContainer]: !isViewer,
       [css.fixedWidthMessageBoxContainer]: this.props.fixedWidth,
     });
     const messageBoxClassName = classNames({
       [css.messageBox]: true,
       [css.fixedWidthMessageBox]: this.props.fixedWidth,
     });
     const messageBoxStyle = {
       borderTopRightRadius: isViewer && !item.startsCluster ? 0 : borderRadius,
       borderBottomRightRadius: isViewer && !item.endsCluster ? 0 : borderRadius,
       borderTopLeftRadius: !isViewer && !item.startsCluster ? 0 : borderRadius,
       borderBottomLeftRadius: !isViewer && !item.endsCluster ? 0 : borderRadius,
     };
 
     let authorName = null;
     if (!isViewer && item.startsCluster) {
       authorName = (
         <span className={css.authorName}>{stringForUser(creator)}</span>
       );
     }
 
     let deliveryIcon = null;
     let failedSendInfo = null;
     if (isViewer) {
       let deliveryIconSpan;
       let deliveryIconColor = threadColor;
       if (id !== null && id !== undefined) {
         deliveryIconSpan = <CheckCircleIcon />;
       } else if (this.props.sendFailed) {
         deliveryIconSpan = <XCircleIcon />;
         deliveryIconColor = 'FF0000';
         failedSendInfo = <FailedSend item={item} threadInfo={threadInfo} />;
       } else {
         deliveryIconSpan = <CircleIcon />;
       }
       deliveryIcon = (
         <div
           className={css.iconContainer}
           style={{ color: `#${deliveryIconColor}` }}
         >
           {deliveryIconSpan}
         </div>
       );
     }
 
     let replyButton;
     if (
       this.props.mouseOverMessagePosition &&
       this.props.mouseOverMessagePosition.item.messageInfo.id === id &&
       this.props.canReply
     ) {
       const { inputState } = this.props;
       invariant(inputState, 'inputState should be set in ComposedMessage');
       replyButton = (
         <MessageReplyButton
           messagePositionInfo={this.props.mouseOverMessagePosition}
           onReplyClick={this.onMouseLeave}
           inputState={inputState}
         />
       );
     }
 
     let messageActionButton;
     if (
       this.props.mouseOverMessagePosition &&
       this.props.mouseOverMessagePosition.item.messageInfo.id === id &&
       this.props.sidebarExistsOrCanBeCreated
     ) {
       const availableTooltipPositions = isViewer
         ? availableTooltipPositionsForViewerMessage
         : availableTooltipPositionsForNonViewerMessage;
 
       messageActionButton = (
         <MessageActionButton
           threadInfo={threadInfo}
           item={item}
           containerPosition={
             this.props.mouseOverMessagePosition.containerPosition
           }
           availableTooltipPositions={availableTooltipPositions}
         />
       );
     }
 
     let viewerActionLinks, nonViewerActionLinks;
     if (isViewer && (replyButton || messageActionButton)) {
       viewerActionLinks = (
         <div
           className={classNames(
             css.messageActionActiveArea,
             css.viewerMessageActionActiveArea,
           )}
         >
           <div className={css.messageActionContainer}>
             {messageActionButton}
             {replyButton}
           </div>
         </div>
       );
     } else if (replyButton || messageActionButton) {
       nonViewerActionLinks = (
         <div
           className={classNames(
             css.messageActionActiveArea,
             css.nonViewerMessageActiveArea,
           )}
         >
           <div className={css.messageActionContainer}>
             {replyButton}
             {messageActionButton}
           </div>
         </div>
       );
     }
 
     let inlineSidebar = null;
     if (item.threadCreatedFromMessage) {
       const positioning = isViewer ? 'right' : 'left';
       inlineSidebar = (
         <div className={css.sidebarMarginBottom}>
           <InlineSidebar
             threadInfo={item.threadCreatedFromMessage}
             positioning={positioning}
           />
         </div>
       );
     }
 
     return (
       <React.Fragment>
         {authorName}
         <div className={contentClassName}>
           <div
             className={messageBoxContainerClassName}
             onMouseEnter={this.onMouseEnter}
             onMouseLeave={this.onMouseLeave}
           >
             {viewerActionLinks}
             <div className={messageBoxClassName} style={messageBoxStyle}>
               {this.props.children}
             </div>
             {nonViewerActionLinks}
           </div>
           {deliveryIcon}
         </div>
         {failedSendInfo}
         {inlineSidebar}
       </React.Fragment>
     );
   }
 
   onMouseEnter: (event: SyntheticEvent<HTMLDivElement>) => void = event => {
     const { item } = this.props;
     const rect = event.currentTarget.getBoundingClientRect();
     const { top, bottom, left, right, height, width } = rect;
     const messagePosition = { top, bottom, left, right, height, width };
     this.props.setMouseOverMessagePosition({
       type: 'on',
       item,
       messagePosition,
     });
   };
 
   onMouseLeave: () => void = () => {
     const { item } = this.props;
     this.props.setMouseOverMessagePosition({ type: 'off', item });
   };
 }
 
 type ConnectedConfig = React.Config<
   BaseProps,
   typeof ComposedMessage.defaultProps,
 >;
 const ConnectedComposedMessage: React.ComponentType<ConnectedConfig> = React.memo<BaseConfig>(
   function ConnectedComposedMessage(props) {
     const sidebarExistsOrCanBeCreated = useSidebarExistsOrCanBeCreated(
       props.threadInfo,
       props.item,
     );
     const inputState = React.useContext(InputStateContext);
     return (
       <ComposedMessage
         {...props}
         sidebarExistsOrCanBeCreated={sidebarExistsOrCanBeCreated}
         inputState={inputState}
       />
     );
   },
 );
 
 export default ConnectedComposedMessage;
diff --git a/web/chat/message-action-button.js b/web/chat/message-action-button.js
index 57e977e16..5116216a8 100644
--- a/web/chat/message-action-button.js
+++ b/web/chat/message-action-button.js
@@ -1,168 +1,164 @@
 // @flow
 
 import classNames from 'classnames';
 import invariant from 'invariant';
 import * as React from 'react';
 
 import type { ChatMessageInfoItem } from 'lib/selectors/chat-selectors';
 import type { ThreadInfo } from 'lib/types/thread-types';
 
 import {
   useOnClickThread,
   useOnClickPendingSidebar,
 } from '../selectors/nav-selectors';
 import SWMansionIcon from '../SWMansionIcon.react';
 import css from './message-action-button.css';
 import type {
   ItemAndContainerPositionInfo,
   PositionInfo,
 } from './position-types';
 import { tooltipPositions, type TooltipPosition } from './tooltip-utils';
 import { TooltipMenu, type TooltipStyle, TooltipButton } from './tooltip.react';
 
 const ellipsisIconExcessVerticalWhitespace = 10;
 
 const openSidebarText = 'Go to sidebar';
 const createSidebarText = 'Create sidebar';
 
 type MessageActionTooltipProps = {
   +threadInfo: ThreadInfo,
   +item: ChatMessageInfoItem,
   +containerPosition: PositionInfo,
   +availableTooltipPositions: $ReadOnlyArray<TooltipPosition>,
 };
 function MessageActionButton(props: MessageActionTooltipProps): React.Node {
   const {
     threadInfo,
     item,
     containerPosition,
     availableTooltipPositions,
   } = props;
   const [tooltipVisible, setTooltipVisible] = React.useState(false);
   const [pointingTo, setPointingTo] = React.useState();
 
   const toggleTooltip = React.useCallback(
     (event: SyntheticEvent<HTMLDivElement>) => {
       setTooltipVisible(!tooltipVisible);
       if (tooltipVisible) {
         return;
       }
       const rect = event.currentTarget.getBoundingClientRect();
       const { top, bottom, left, right, width, height } = rect;
 
       const dotsPosition: ItemAndContainerPositionInfo = {
         containerPosition,
         itemPosition: {
           top:
             top - containerPosition.top + ellipsisIconExcessVerticalWhitespace,
           bottom:
             bottom -
             containerPosition.top -
             ellipsisIconExcessVerticalWhitespace,
           left: left - containerPosition.left,
           right: right - containerPosition.left,
           width,
           height: height - ellipsisIconExcessVerticalWhitespace * 2,
         },
       };
       setPointingTo(dotsPosition);
     },
     [containerPosition, tooltipVisible],
   );
 
   const hideTooltip = React.useCallback(() => {
     setTooltipVisible(false);
   }, []);
 
   const { threadCreatedFromMessage, messageInfo } = item;
 
   const onThreadOpen = useOnClickThread(threadCreatedFromMessage);
   const onPendingSidebarOpen = useOnClickPendingSidebar(
     messageInfo,
     threadInfo,
   );
   const onSidebarButtonClick = React.useCallback(
     (event: SyntheticEvent<HTMLButtonElement>) => {
       if (threadCreatedFromMessage) {
         onThreadOpen(event);
       } else {
         onPendingSidebarOpen(event);
       }
     },
     [onPendingSidebarOpen, onThreadOpen, threadCreatedFromMessage],
   );
 
   const sidebarTooltipButtonText = threadCreatedFromMessage
     ? openSidebarText
     : createSidebarText;
 
   let tooltipMenu = null;
   if (pointingTo && tooltipVisible) {
     tooltipMenu = (
       <TooltipMenu
         availableTooltipPositions={availableTooltipPositions}
         targetPositionInfo={pointingTo}
         layoutPosition="relative"
         getStyle={getMessageActionTooltipStyle}
       >
         <TooltipButton
           text={sidebarTooltipButtonText}
           onClick={onSidebarButtonClick}
         />
       </TooltipMenu>
     );
   }
 
   return (
     <div className={css.messageActionButton}>
       <div
         className={css.messageActionLinkIcon}
         onMouseLeave={hideTooltip}
         onClick={toggleTooltip}
       >
         <SWMansionIcon icon="message-circle-lines" size={18} />
         {tooltipMenu}
       </div>
     </div>
   );
 }
 
 function getMessageActionTooltipStyle(
   tooltipPosition: TooltipPosition,
 ): TooltipStyle {
   let className;
   if (tooltipPosition === tooltipPositions.TOP_RIGHT) {
     className = classNames(
       css.messageActionTopRightTooltip,
-      css.messageTopRightTooltip,
       css.messageActionExtraAreaTop,
       css.messageActionExtraAreaTopRight,
     );
   } else if (tooltipPosition === tooltipPositions.TOP_LEFT) {
     className = classNames(
       css.messageActionTopLeftTooltip,
-      css.messageTopLeftTooltip,
       css.messageActionExtraAreaTop,
       css.messageActionExtraAreaTopLeft,
     );
   } else if (tooltipPosition === tooltipPositions.RIGHT) {
     className = classNames(
       css.messageActionRightTooltip,
-      css.messageRightTooltip,
       css.messageActionExtraArea,
       css.messageActionExtraAreaRight,
     );
   } else if (tooltipPosition === tooltipPositions.LEFT) {
     className = classNames(
       css.messageActionLeftTooltip,
-      css.messageLeftTooltip,
       css.messageActionExtraArea,
       css.messageActionExtraAreaLeft,
     );
   }
 
   invariant(className, `${tooltipPosition} is not valid for message tooltip`);
   return { className };
 }
 
 export default MessageActionButton;