diff --git a/.env b/.env
index b5ff8ea..e36e49c 100644
--- a/.env
+++ b/.env
@@ -2,4 +2,4 @@ DEV_SERVER_HTTPS_CERT_BASE=
 DEV_SERVER_HTTPS_CERT_PASS=
 DEV_LOCATOR_EDITOR=vscode
 VITE_DEVTOOLS_OVERLAY=true
-VITE_PLATFROM_MASONRY_ALWAYS_COMPAT=
\ No newline at end of file
+VITE_PLATFORM_MASONRY_ALWAYS_COMPAT=
\ No newline at end of file
diff --git a/src/masto/toot.ts b/src/masto/toot.ts
index 2651577..f3ea94d 100644
--- a/src/masto/toot.ts
+++ b/src/masto/toot.ts
@@ -20,17 +20,6 @@ export function resolveCustomEmoji(
   });
 }
 
-export function appliedCustomEmoji(
-  target: { innerHTML: string },
-  content: string,
-  emojis?: mastodon.v1.CustomEmoji[],
-) {
-  createRenderEffect(() => {
-    const result = emojis ? resolveCustomEmoji(content, emojis) : content;
-    target.innerHTML = result;
-  });
-}
-
 export function hasCustomEmoji(s: string) {
   return CUSTOM_EMOJI_REGEX.test(s);
 }
diff --git a/src/overrides.d.ts b/src/overrides.d.ts
index e8db98c..46a3af6 100644
--- a/src/overrides.d.ts
+++ b/src/overrides.d.ts
@@ -14,7 +14,7 @@ interface ImportMetaEnv {
   /**
    * Always use compatible version of Masonry.
    */
-  readonly VITE_PLATFROM_MASONRY_ALWAYS_COMPAT?: string
+  readonly VITE_PLATFORM_MASONRY_ALWAYS_COMPAT?: string
 }
 
 interface ImportMeta {
diff --git a/src/platform/Masonry.tsx b/src/platform/Masonry.tsx
index bd461b9..ab9f002 100644
--- a/src/platform/Masonry.tsx
+++ b/src/platform/Masonry.tsx
@@ -46,30 +46,49 @@ function createCompatMasonry(
 
   const size = createElementSize(element);
 
-  const treeMutObx = new MutationObserver(() => {
-    layout.reloadItems?.();
-  });
+  let layoutNotRequested = true;
 
-  onCleanup(() => treeMutObx.disconnect());
+  const reflow = () => {
+    layout.layout?.();
+    layoutNotRequested = true;
+  };
 
   createRenderEffect(() => {
     const opts = options();
     layout.option?.(opts);
   });
 
+  const treeMutObx = new MutationObserver(() => {
+    layout.reloadItems?.();
+    if (layoutNotRequested) {
+      layoutNotRequested = false;
+      requestAnimationFrame(reflow);
+    }
+  });
+
+  onCleanup(() => treeMutObx.disconnect());
+
   createRenderEffect(() => {
     treeMutObx.observe(element, { childList: true });
   });
 
   createRenderEffect(() => {
     const width = size.width; // only tracking width
-    layout.layout?.();
+    if (layoutNotRequested) {
+      layoutNotRequested = false;
+      requestAnimationFrame(reflow);
+    }
   });
 
   if (import.meta.hot) {
-    import.meta.hot.on("vite:afterUpdate", () => {
-      layout.layout?.();
-    });
+    const onHotReloadUpdate = () => {
+      if (layoutNotRequested) {
+        layoutNotRequested = false;
+        requestAnimationFrame(reflow);
+      }
+    };
+    import.meta.hot.on("vite:afterUpdate", onHotReloadUpdate);
+    import.meta.hot.off("vite:afterUpdate", onHotReloadUpdate);
   }
 }
 
@@ -80,11 +99,11 @@ const supportsCSSMasonryLayout = /* @__PURE__ */ CSS.supports(
 
 console.debug("supports css masonry layout", supportsCSSMasonryLayout);
 
-const useNativeImpl = import.meta.env.VITE_PLATFROM_MASONRY_ALWAYS_COMPAT
+const useNativeImpl = import.meta.env.VITE_PLATFORM_MASONRY_ALWAYS_COMPAT
   ? false
   : supportsCSSMasonryLayout;
 
-if (import.meta.env.VITE_PLATFROM_MASONRY_ALWAYS_COMPAT) {
+if (import.meta.env.VITE_PLATFORM_MASONRY_ALWAYS_COMPAT) {
   console.warn(
     "Masonry is in compat mode because VITE_PLATFORM_MASONRY_ALWAYS_COMPAT is enabled",
   );
diff --git a/src/profiles/Profile.tsx b/src/profiles/Profile.tsx
index 56f6c8e..cc29999 100644
--- a/src/profiles/Profile.tsx
+++ b/src/profiles/Profile.tsx
@@ -171,10 +171,6 @@ const Profile: Component = () => {
     ),
   );
 
-  const useSessionDisplayName = (e: HTMLElement) => {
-    createRenderEffect(() => (e.innerHTML = sessionDisplayName()));
-  };
-
   const toggleSubscribeHome = async (event: Event) => {
     const client = session().client;
     if (!session().account) return;
@@ -218,9 +214,7 @@ const Profile: Component = () => {
               style={{
                 visibility: scrolledPastBanner() ? undefined : "hidden",
               }}
-              ref={(e: HTMLElement) =>
-                createRenderEffect(() => (e.innerHTML = displayName()))
-              }
+              innerHTML={displayName()}
             ></Title>
 
             <IconButton
@@ -253,7 +247,7 @@ const Profile: Component = () => {
                 <Avatar src={session().account?.inf?.avatar} />
               </ListItemAvatar>
               <ListItemText secondary={"Default account"}>
-                <span ref={useSessionDisplayName}></span>
+                <span innerHTML={sessionDisplayName()}></span>
               </ListItemText>
               {/* <ArrowRight /> // for future */}
             </MenuItem>
@@ -384,7 +378,7 @@ const Profile: Component = () => {
                     : undefined
               }
             >
-              <span ref={useSessionDisplayName}></span>
+              <span innerHTML={sessionDisplayName()}></span>
               <span>'s Home</span>
             </ListItemText>
 
@@ -419,9 +413,7 @@ const Profile: Component = () => {
                 </Show>
                 <Body2
                   component="span"
-                  ref={(e: HTMLElement) =>
-                    createRenderEffect(() => (e.innerHTML = displayName()))
-                  }
+                  innerHTML={displayName()}
                   aria-label="Display name"
                 ></Body2>
               </div>
@@ -464,9 +456,7 @@ const Profile: Component = () => {
           <section
             class="description"
             aria-label={`${profile()?.displayName || "the user"}'s description`}
-            ref={(e) =>
-              createRenderEffect(() => (e.innerHTML = description() || ""))
-            }
+            innerHTML={description() || ""}
           ></section>
 
           <table
@@ -484,11 +474,7 @@ const Profile: Component = () => {
                           <Verified />
                         </Show>
                       </td>
-                      <td
-                        ref={(e) => {
-                          createRenderEffect(() => (e.innerHTML = item.value));
-                        }}
-                      ></td>
+                      <td innerHTML={item.value}></td>
                     </tr>
                   );
                 }}
diff --git a/src/timelines/RegularToot.tsx b/src/timelines/RegularToot.tsx
index fd5c80d..63ef7c1 100644
--- a/src/timelines/RegularToot.tsx
+++ b/src/timelines/RegularToot.tsx
@@ -10,23 +10,19 @@ import {
   createContext,
   useContext,
 } from "solid-js";
-import tootStyle from "./toot.module.css";
-import { formatRelative } from "date-fns";
-import Img from "~material/Img.js";
 import { Body2 } from "~material/typography.js";
-import { SmartToySharp, Lock } from "@suid/icons-material";
 import { useTimeSource } from "~platform/timesrc.js";
 import { resolveCustomEmoji } from "../masto/toot.js";
 import { Divider } from "@suid/material";
 import cardStyle from "~material/cards.module.css";
 import MediaAttachmentGrid from "./toots/MediaAttachmentGrid.jsx";
-import { useDateFnLocale } from "~platform/i18n";
 import { makeAcctText, useDefaultSession } from "../masto/clients";
 import TootContent from "./toots/TootContent";
 import BoostIcon from "./toots/BoostIcon";
 import PreviewCard from "./toots/PreviewCard";
 import TootPoll from "./toots/TootPoll";
 import TootActionGroup from "./toots/TootActionGroup.js";
+import TootAuthorGroup from "./toots/TootAuthorGroup.js";
 import "./RegularToot.css";
 
 export type TootEnv = {
@@ -66,63 +62,15 @@ type RegularTootProps = {
 
 export function findRootToot(element: HTMLElement) {
   let current: HTMLElement | null = element;
-  while (current && !current.classList.contains(tootStyle.toot)) {
+  while (current && !current.classList.contains("RegularToot")) {
     current = current.parentElement;
   }
   if (!current) {
-    throw Error(
-      `the element must be placed under a element with ${tootStyle.toot}`,
-    );
+    throw Error(`the element must be placed under a element with .RegularToot`);
   }
   return current;
 }
 
-function TootAuthorGroup(
-  props: {
-    status: mastodon.v1.Status;
-    now: Date;
-  } & JSX.HTMLElementTags["div"],
-) {
-  const [managed, rest] = splitProps(props, ["status", "now"]);
-  const toot = () => managed.status;
-  const dateFnLocale = useDateFnLocale();
-
-  return (
-    <div class={tootStyle.tootAuthorGrp} {...rest}>
-      <Img src={toot().account.avatar} class={tootStyle.tootAvatar} />
-      <div class={tootStyle.tootAuthorNameGrp}>
-        <div class={tootStyle.tootAuthorNamePrimary}>
-          <Show when={toot().account.bot}>
-            <SmartToySharp class="acct-mark" aria-label="Bot" />
-          </Show>
-          <Show when={toot().account.locked}>
-            <Lock class="acct-mark" aria-label="Locked" />
-          </Show>
-          <Body2
-            component="span"
-            ref={(e: { innerHTML: string }) => {
-              createRenderEffect(() => {
-                e.innerHTML = resolveCustomEmoji(
-                  toot().account.displayName,
-                  toot().account.emojis,
-                );
-              });
-            }}
-          />
-        </div>
-        <time datetime={toot().createdAt}>
-          {formatRelative(toot().createdAt, managed.now, {
-            locale: dateFnLocale(),
-          })}
-        </time>
-        <span>
-          @{toot().account.username}@{new URL(toot().account.url).hostname}
-        </span>
-      </div>
-    </div>
-  );
-}
-
 /**
  * find bottom-to-top the element with `data-action`.
  */
@@ -195,8 +143,8 @@ const RegularToot: Component<RegularTootProps> = (oprops) => {
     <>
       <article
         classList={{
-          "RegularToot": true,
-          "expanded": props.evaluated,
+          RegularToot: true,
+          expanded: props.evaluated,
           "thread-top": props.thread === "top",
           "thread-mid": props.thread === "middle",
           "thread-btm": props.thread === "bottom",
@@ -210,14 +158,10 @@ const RegularToot: Component<RegularTootProps> = (oprops) => {
           <div class="retoot-grp">
             <BoostIcon />
             <Body2
-              ref={(e: { innerHTML: string }) => {
-                createRenderEffect(() => {
-                  e.innerHTML = resolveCustomEmoji(
-                    status().account.displayName,
-                    toot().emojis,
-                  );
-                });
-              }}
+              innerHTML={resolveCustomEmoji(
+                status().account.displayName,
+                toot().emojis,
+              )}
             ></Body2>
             <span>boosts</span>
           </div>
diff --git a/src/timelines/TootBottomSheet.tsx b/src/timelines/TootBottomSheet.tsx
index 09465db..065a754 100644
--- a/src/timelines/TootBottomSheet.tsx
+++ b/src/timelines/TootBottomSheet.tsx
@@ -261,13 +261,7 @@ const TootBottomSheet: Component = (props) => {
           >
             <BackButton color="inherit" />
             <Title component="div" class="name" use:solid-styled>
-              <span
-                ref={(e: HTMLElement) =>
-                  createRenderEffect(
-                    () => (e.innerHTML = tootDisplayName() ?? "Someone"),
-                  )
-                }
-              ></span>
+              <span innerHTML={tootDisplayName() ?? "Someone"}></span>
               <span>'s toot</span>
             </Title>
           </Toolbar>
diff --git a/src/timelines/TootComposer.tsx b/src/timelines/TootComposer.tsx
index 2895c67..450f9ad 100644
--- a/src/timelines/TootComposer.tsx
+++ b/src/timelines/TootComposer.tsx
@@ -44,7 +44,7 @@ import "./TootComposer.css";
 import BottomSheet from "~material/BottomSheet";
 import { useAppLocale } from "~platform/i18n";
 import iso639_1 from "iso-639-1";
-import ChooseTootLang from "./ChooseTootLang";
+import ChooseTootLang from "./TootLangPicker";
 import type { mastodon } from "masto";
 import cardStyles from "~material/cards.module.css";
 import Menu, { createManagedMenuState } from "~material/Menu";
@@ -349,15 +349,10 @@ const TootComposer: Component<{
               </ListItemAvatar>
               <ListItemText secondary={"Default account"}>
                 <span
-                  ref={(e) => {
-                    createRenderEffect(() => {
-                      const inf = session()?.account.inf;
-                      return (e.innerHTML = resolveCustomEmoji(
-                        inf?.displayName || "",
-                        inf?.emojis ?? [],
-                      ));
-                    });
-                  }}
+                  innerHTML={resolveCustomEmoji(
+                    session()?.account.inf?.displayName || "",
+                    session()?.account.inf?.emojis ?? [],
+                  )}
                 ></span>
               </ListItemText>
             </MenuItem>
diff --git a/src/timelines/TootLangPicker.css b/src/timelines/TootLangPicker.css
new file mode 100644
index 0000000..f092267
--- /dev/null
+++ b/src/timelines/TootLangPicker.css
@@ -0,0 +1,4 @@
+
+.TootLangPicker {
+  overflow: auto;
+}
diff --git a/src/timelines/ChooseTootLang.tsx b/src/timelines/TootLangPicker.tsx
similarity index 94%
rename from src/timelines/ChooseTootLang.tsx
rename to src/timelines/TootLangPicker.tsx
index 8177783..e86f69e 100644
--- a/src/timelines/ChooseTootLang.tsx
+++ b/src/timelines/TootLangPicker.tsx
@@ -1,9 +1,4 @@
-import {
-  For,
-  onMount,
-  type Component,
-  type JSX,
-} from "solid-js";
+import { For, onMount, type Component, type JSX } from "solid-js";
 import Scaffold from "~material/Scaffold";
 import {
   AppBar,
@@ -19,6 +14,7 @@ import { Close as CloseIcon } from "@suid/icons-material";
 import iso639_1 from "iso-639-1";
 import { createTranslator } from "~platform/i18n";
 import { Title } from "~material/typography";
+import "./TootLangPicker.css";
 
 type ChooseTootLangProps = {
   code: string;
@@ -58,6 +54,7 @@ const ChooseTootLang: Component<ChooseTootLangProps> = (props) => {
           </Toolbar>
         </AppBar>
       }
+      class="TootLangPicker"
     >
       <List
         ref={listRef!}
diff --git a/src/timelines/toot.module.css b/src/timelines/toots/TootAuthorGroup.css
similarity index 85%
rename from src/timelines/toot.module.css
rename to src/timelines/toots/TootAuthorGroup.css
index e666f66..bbef056 100644
--- a/src/timelines/toot.module.css
+++ b/src/timelines/toots/TootAuthorGroup.css
@@ -1,4 +1,4 @@
-.tootAuthorGrp {
+.TootAuthorGroup {
   display: flex;
   align-items: flex-start;
   gap: 8px;
@@ -10,7 +10,7 @@
   }
 }
 
-.tootAuthorNameGrp {
+.TootAuthorGroup > .name-grp {
   display: grid;
   grid-template-columns: 1fr auto;
   color: var(--tutu-color-secondary-text-on-surface);
@@ -30,10 +30,10 @@
   }
 }
 
-.tootAuthorNamePrimary {
+.TootAuthorGroup > .name-grp > .name-primary {
   color: var(--tutu-color-on-surface);
 
-  > :global(.acct-mark) {
+  > .acct-mark {
     font-size: 1.2em;
     color: var(--tutu-color-secondary-text-on-surface);
     vertical-align: sub;
@@ -41,7 +41,7 @@
   }
 }
 
-.tootAvatar {
+.TootAuthorGroup > .avatar {
   width: calc(var(--toot-avatar-size, 40px) - 1px);
   aspect-ratio: 1/1;
   object-fit: contain;
@@ -49,4 +49,4 @@
   overflow: hidden;
   border: 1px solid var(--tutu-color-surface);
   background-color: var(--tutu-color-surface-d);
-}
+}
\ No newline at end of file
diff --git a/src/timelines/toots/TootAuthorGroup.tsx b/src/timelines/toots/TootAuthorGroup.tsx
new file mode 100644
index 0000000..121b2c5
--- /dev/null
+++ b/src/timelines/toots/TootAuthorGroup.tsx
@@ -0,0 +1,53 @@
+import { SmartToySharp, Lock } from "@suid/icons-material";
+import { formatRelative } from "date-fns";
+import type { mastodon } from "masto";
+import { createRenderEffect, Show, splitProps, type JSX } from "solid-js";
+import Img from "~material/Img";
+import { Body2 } from "~material/typography";
+import { useAppLocale } from "~platform/i18n";
+import { resolveCustomEmoji } from "../../masto/toot";
+import "./TootAuthorGroup.css";
+
+function TootAuthorGroup(
+  props: {
+    status: mastodon.v1.Status;
+    now: Date;
+  } & JSX.HTMLElementTags["div"],
+) {
+  const [managed, rest] = splitProps(props, ["status", "now"]);
+  const toot = () => managed.status;
+  const { dateFn: dateFnLocale } = useAppLocale();
+
+  return (
+    <div class="TootAuthorGroup" {...rest}>
+      <Img src={toot().account.avatar} class="avatar" />
+      <div class={"name-grp"}>
+        <div class="name-primary">
+          <Show when={toot().account.bot}>
+            <SmartToySharp class="acct-mark" aria-label="Bot" />
+          </Show>
+          <Show when={toot().account.locked}>
+            <Lock class="acct-mark" aria-label="Locked" />
+          </Show>
+          <Body2
+            component="span"
+            innerHTML={resolveCustomEmoji(
+              toot().account.displayName,
+              toot().account.emojis,
+            )}
+          />
+        </div>
+        <time datetime={toot().createdAt}>
+          {formatRelative(toot().createdAt, managed.now, {
+            locale: dateFnLocale(),
+          })}
+        </time>
+        <span>
+          @{toot().account.username}@{new URL(toot().account.url).hostname}
+        </span>
+      </div>
+    </div>
+  );
+}
+
+export default TootAuthorGroup;
diff --git a/src/timelines/toots/TootContent.tsx b/src/timelines/toots/TootContent.tsx
index a4643a2..2960794 100644
--- a/src/timelines/toots/TootContent.tsx
+++ b/src/timelines/toots/TootContent.tsx
@@ -81,15 +81,13 @@ const TootContent: Component<TootContentProps> = (oprops) => {
       <Show when={props.sensitive}>
         <div>
           <span
-            ref={(ref) => {
-              createRenderEffect(() => {
-                ref.innerHTML = props.spoilerText
-                  ? props.emojis
-                    ? resolveCustomEmoji(props.spoilerText, props.emojis)
-                    : props.spoilerText
-                  : "";
-              });
-            }}
+            innerHTML={
+              props.spoilerText
+                ? props.emojis
+                  ? resolveCustomEmoji(props.spoilerText, props.emojis)
+                  : props.spoilerText
+                : ""
+            }
           ></span>
           <Button onClick={props.onToggleReveal}>{t("cw")}</Button>
         </div>
@@ -97,14 +95,12 @@ const TootContent: Component<TootContentProps> = (oprops) => {
       <Show when={shouldRevealContent()}>
         <div
           class="content"
-          ref={(ref) =>
-            createRenderEffect(() => {
-              ref.innerHTML = props.source
-                ? props.emojis
-                  ? resolveCustomEmoji(props.source, props.emojis)
-                  : props.source
-                : "";
-            })
+          innerHTML={
+            props.source
+              ? props.emojis
+                ? resolveCustomEmoji(props.source, props.emojis)
+                : props.source
+              : ""
           }
         ></div>
       </Show>
diff --git a/src/timelines/toots/TootPoll.tsx b/src/timelines/toots/TootPoll.tsx
index a148fcb..a2b9dc6 100644
--- a/src/timelines/toots/TootPoll.tsx
+++ b/src/timelines/toots/TootPoll.tsx
@@ -20,10 +20,7 @@ import {
   ListItemText,
   Radio,
 } from "@suid/material";
-import {
-  formatDistance,
-  isBefore,
-} from "date-fns";
+import { formatDistance, isBefore } from "date-fns";
 import { useTimeSource } from "~platform/timesrc";
 import { useDateFnLocale } from "~platform/i18n";
 import TootPollDialog from "./TootPollDialog";
@@ -31,13 +28,13 @@ import { ANIM_CURVE_STD } from "~material/theme";
 import { useTootEnv } from "../RegularToot";
 
 type TootPollProps = {
-  value: mastodon.v1.Poll
-  status: mastodon.v1.Status
+  value: mastodon.v1.Poll;
+  status: mastodon.v1.Status;
 };
 
 const TootPoll: Component<TootPollProps> = (props) => {
   let list: HTMLUListElement;
-  const {vote}= useTootEnv()
+  const { vote } = useTootEnv();
 
   const now = useTimeSource();
   const dateFnLocale = useDateFnLocale();
@@ -46,7 +43,7 @@ const TootPoll: Component<TootPollProps> = (props) => {
 
   const [initialVote, setInitialVote] = createSignal(0);
 
-  const poll = () => props.value
+  const poll = () => props.value;
 
   const isShowResult = () => {
     const n = mustShowResult();
@@ -118,14 +115,10 @@ const TootPoll: Component<TootPollProps> = (props) => {
                 >
                   <ListItemText>
                     <span
-                      ref={(e) =>
-                        createRenderEffect(() => {
-                          e.innerHTML = resolveCustomEmoji(
-                            option().title,
-                            option().emojis,
-                          );
-                        })
-                      }
+                      innerHTML={resolveCustomEmoji(
+                        option().title,
+                        option().emojis,
+                      )}
                     ></span>
                   </ListItemText>
 
diff --git a/src/timelines/toots/TootPollDialog.tsx b/src/timelines/toots/TootPollDialog.tsx
index 7374b0c..f63d204 100644
--- a/src/timelines/toots/TootPollDialog.tsx
+++ b/src/timelines/toots/TootPollDialog.tsx
@@ -96,15 +96,10 @@ const TootPollDialog: Component<TootPollDialogPoll> = (props) => {
                 >
                   <ListItemText>
                     <span
-                      ref={(e) =>
-                        createRenderEffect(
-                          () =>
-                            (e.innerHTML = resolveCustomEmoji(
-                              option().title,
-                              option().emojis,
-                            )),
-                        )
-                      }
+                      innerHTML={resolveCustomEmoji(
+                        option().title,
+                        option().emojis,
+                      )}
                     ></span>
                   </ListItemText>