diff --git a/src/client/components/modal-page-window.vue b/src/client/components/modal-page-window.vue
index cb81a974f..621119294 100644
--- a/src/client/components/modal-page-window.vue
+++ b/src/client/components/modal-page-window.vue
@@ -10,7 +10,7 @@
 			</span>
 			<button class="_button" @click="$refs.modal.close()"><i class="fas fa-times"></i></button>
 		</div>
-		<div class="body _fitSide_">
+		<div class="body">
 			<keep-alive>
 				<component :is="component" v-bind="props" :ref="changePage"/>
 			</keep-alive>
diff --git a/src/client/components/page-window.vue b/src/client/components/page-window.vue
index 7d15c75d6..2b77a214c 100644
--- a/src/client/components/page-window.vue
+++ b/src/client/components/page-window.vue
@@ -16,7 +16,7 @@
 	<template #headerLeft>
 		<button v-if="history.length > 0" class="_button" @click="back()" v-tooltip="$ts.goBack"><i class="fas fa-arrow-left"></i></button>
 	</template>
-	<div class="yrolvcoq _fitSide_">
+	<div class="yrolvcoq">
 		<component :is="component" v-bind="props" :ref="changePage"/>
 	</div>
 </XWindow>
diff --git a/src/client/components/ui/folder.vue b/src/client/components/ui/folder.vue
index d0616a57c..3997421d0 100644
--- a/src/client/components/ui/folder.vue
+++ b/src/client/components/ui/folder.vue
@@ -153,10 +153,4 @@ export default defineComponent({
 		}
 	}
 }
-
-._fitSide_ .ssazuxis {
-	> header {
-		padding: 0 16px;
-	}
-}
 </style>
diff --git a/src/client/components/ui/info.vue b/src/client/components/ui/info.vue
index e16f2736f..f6b2edf26 100644
--- a/src/client/components/ui/info.vue
+++ b/src/client/components/ui/info.vue
@@ -42,8 +42,4 @@ export default defineComponent({
 		margin-right: 4px;
 	}
 }
-
-._fitSide_ .fpezltsf {
-	border-radius: 0;
-}
 </style>
diff --git a/src/client/pages/admin/index.vue b/src/client/pages/admin/index.vue
index 416e68206..f18c63495 100644
--- a/src/client/pages/admin/index.vue
+++ b/src/client/pages/admin/index.vue
@@ -343,7 +343,6 @@ export default defineComponent({
 		> .main {
 			flex: 1;
 			min-width: 0;
-			--baseContentWidth: 100%;
 		}
 	}
 
diff --git a/src/client/pages/messaging/index.vue b/src/client/pages/messaging/index.vue
index fef3b76e1..b3e0b6edd 100644
--- a/src/client/pages/messaging/index.vue
+++ b/src/client/pages/messaging/index.vue
@@ -2,41 +2,43 @@
 <div>
 	<MkHeader :info="header"/>
 
-	<div class="yweeujhr _root" v-size="{ max: [400] }">
-		<MkButton @click="start" primary class="start"><i class="fas fa-plus"></i> {{ $ts.startMessaging }}</MkButton>
+	<MkSpacer :content-max="800">
+		<div class="yweeujhr" v-size="{ max: [400] }">
+			<MkButton @click="start" primary class="start"><i class="fas fa-plus"></i> {{ $ts.startMessaging }}</MkButton>
 
-		<div class="history" v-if="messages.length > 0">
-			<MkA v-for="(message, i) in messages"
-				class="message _block"
-				:class="{ isMe: isMe(message), isRead: message.groupId ? message.reads.includes($i.id) : message.isRead }"
-				:to="message.groupId ? `/my/messaging/group/${message.groupId}` : `/my/messaging/${getAcct(isMe(message) ? message.recipient : message.user)}`"
-				:data-index="i"
-				:key="message.id"
-				v-anim="i"
-			>
-				<div>
-					<MkAvatar class="avatar" :user="message.groupId ? message.user : isMe(message) ? message.recipient : message.user" :show-indicator="true"/>
-					<header v-if="message.groupId">
-						<span class="name">{{ message.group.name }}</span>
-						<MkTime :time="message.createdAt" class="time"/>
-					</header>
-					<header v-else>
-						<span class="name"><MkUserName :user="isMe(message) ? message.recipient : message.user"/></span>
-						<span class="username">@{{ acct(isMe(message) ? message.recipient : message.user) }}</span>
-						<MkTime :time="message.createdAt" class="time"/>
-					</header>
-					<div class="body">
-						<p class="text"><span class="me" v-if="isMe(message)">{{ $ts.you }}:</span>{{ message.text }}</p>
+			<div class="history" v-if="messages.length > 0">
+				<MkA v-for="(message, i) in messages"
+					class="message _block"
+					:class="{ isMe: isMe(message), isRead: message.groupId ? message.reads.includes($i.id) : message.isRead }"
+					:to="message.groupId ? `/my/messaging/group/${message.groupId}` : `/my/messaging/${getAcct(isMe(message) ? message.recipient : message.user)}`"
+					:data-index="i"
+					:key="message.id"
+					v-anim="i"
+				>
+					<div>
+						<MkAvatar class="avatar" :user="message.groupId ? message.user : isMe(message) ? message.recipient : message.user" :show-indicator="true"/>
+						<header v-if="message.groupId">
+							<span class="name">{{ message.group.name }}</span>
+							<MkTime :time="message.createdAt" class="time"/>
+						</header>
+						<header v-else>
+							<span class="name"><MkUserName :user="isMe(message) ? message.recipient : message.user"/></span>
+							<span class="username">@{{ acct(isMe(message) ? message.recipient : message.user) }}</span>
+							<MkTime :time="message.createdAt" class="time"/>
+						</header>
+						<div class="body">
+							<p class="text"><span class="me" v-if="isMe(message)">{{ $ts.you }}:</span>{{ message.text }}</p>
+						</div>
 					</div>
-				</div>
-			</MkA>
+				</MkA>
+			</div>
+			<div class="_fullinfo" v-if="!fetching && messages.length == 0">
+				<img src="https://xn--931a.moe/assets/info.jpg" class="_ghost"/>
+				<div>{{ $ts.noHistory }}</div>
+			</div>
+			<MkLoading v-if="fetching"/>
 		</div>
-		<div class="_fullinfo" v-if="!fetching && messages.length == 0">
-			<img src="https://xn--931a.moe/assets/info.jpg" class="_ghost"/>
-			<div>{{ $ts.noHistory }}</div>
-		</div>
-		<MkLoading v-if="fetching"/>
-	</div>
+	</MkSpacer>
 </div>
 </template>
 
@@ -177,7 +179,7 @@ export default defineComponent({
 .yweeujhr {
 
 	> .start {
-		margin: var(--margin) auto var(--margin) auto;
+		margin: 0 auto var(--margin) auto;
 	}
 
 	> .history {
diff --git a/src/client/pages/note.vue b/src/client/pages/note.vue
index fe85d7364..8e95430d6 100644
--- a/src/client/pages/note.vue
+++ b/src/client/pages/note.vue
@@ -1,6 +1,6 @@
 <template>
-<div class="fcuexfpr">
-	<div class="_root">
+<MkSpacer :content-max="800">
+	<div class="fcuexfpr">
 		<transition name="fade" mode="out-in">
 			<div v-if="note" class="note">
 				<div class="_gap" v-if="showNext">
@@ -34,7 +34,7 @@
 			<MkLoading v-else/>
 		</transition>
 	</div>
-</div>
+</MkSpacer>
 </template>
 
 <script lang="ts">
@@ -153,54 +153,52 @@ export default defineComponent({
 .fcuexfpr {
 	background: var(--bg);
 
-	> ._root {
-		> .note {
-			> .main {
-				> .load {
-					min-width: 0;
-					margin: 0 auto;
-					border-radius: 999px;
+	> .note {
+		> .main {
+			> .load {
+				min-width: 0;
+				margin: 0 auto;
+				border-radius: 999px;
 
-					&.next {
-						margin-bottom: var(--margin);
-					}
-
-					&.prev {
-						margin-top: var(--margin);
-					}
+				&.next {
+					margin-bottom: var(--margin);
 				}
 
+				&.prev {
+					margin-top: var(--margin);
+				}
+			}
+
+			> .note {
 				> .note {
-					> .note {
-						border-radius: var(--radius);
-						background: var(--panel);
-					}
+					border-radius: var(--radius);
+					background: var(--panel);
+				}
+			}
+
+			> .clips {
+				> .title {
+					font-weight: bold;
+					padding: 12px;
 				}
 
-				> .clips {
-					> .title {
-						font-weight: bold;
-						padding: 12px;
+				> .item {
+					display: block;
+					padding: 16px;
+
+					> .description {
+						padding: 8px 0;
 					}
 
-					> .item {
-						display: block;
-						padding: 16px;
+					> .user {
+						$height: 32px;
+						padding-top: 16px;
+						border-top: solid 0.5px var(--divider);
+						line-height: $height;
 
-						> .description {
-							padding: 8px 0;
-						}
-
-						> .user {
-							$height: 32px;
-							padding-top: 16px;
-							border-top: solid 0.5px var(--divider);
-							line-height: $height;
-
-							> .avatar {
-								width: $height;
-								height: $height;
-							}
+						> .avatar {
+							width: $height;
+							height: $height;
 						}
 					}
 				}
diff --git a/src/client/pages/settings/index.vue b/src/client/pages/settings/index.vue
index 9da3031a4..d9f827a3c 100644
--- a/src/client/pages/settings/index.vue
+++ b/src/client/pages/settings/index.vue
@@ -311,7 +311,6 @@ export default defineComponent({
 			flex: 1;
 			min-width: 0;
 			overflow: auto;
-			--baseContentWidth: 100%;
 		}
 	}
 }
diff --git a/src/client/pages/user/index.timeline.vue b/src/client/pages/user/index.timeline.vue
index 9057d9039..c3444f26f 100644
--- a/src/client/pages/user/index.timeline.vue
+++ b/src/client/pages/user/index.timeline.vue
@@ -65,11 +65,4 @@ export default defineComponent({
 		background: var(--bg);
 	}
 }
-
-._fitSide_ .yrzkoczt {
-	> .tab {
-		padding-left: var(--margin);
-		padding-right: var(--margin);
-	}
-}
 </style>
diff --git a/src/client/pages/user/index.vue b/src/client/pages/user/index.vue
index f74bf4988..996e61386 100644
--- a/src/client/pages/user/index.vue
+++ b/src/client/pages/user/index.vue
@@ -81,20 +81,38 @@
 				</div>
 			</div>
 		</div>
-		<div class="ftskorzw narrow _root" v-else-if="user && narrow === true" v-size="{ max: [500] }">
-			<!-- TODO -->
-			<!-- <div class="punished" v-if="user.isSuspended"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i> {{ $ts.userSuspended }}</div> -->
-			<!-- <div class="punished" v-if="user.isSilenced"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i> {{ $ts.userSilenced }}</div> -->
+		<MkSpacer v-else-if="user && narrow === true" :content-max="800">
+			<div class="ftskorzw narrow" v-size="{ max: [500] }">
+				<!-- TODO -->
+				<!-- <div class="punished" v-if="user.isSuspended"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i> {{ $ts.userSuspended }}</div> -->
+				<!-- <div class="punished" v-if="user.isSilenced"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i> {{ $ts.userSilenced }}</div> -->
 
-			<div class="profile">
-				<MkRemoteCaution v-if="user.host != null" :href="user.url" class="warn"/>
+				<div class="profile">
+					<MkRemoteCaution v-if="user.host != null" :href="user.url" class="warn"/>
 
-				<div class="_block main" :key="user.id">
-					<div class="banner-container" :style="style">
-						<div class="banner" ref="banner" :style="style"></div>
-						<div class="fade"></div>
+					<div class="_block main" :key="user.id">
+						<div class="banner-container" :style="style">
+							<div class="banner" ref="banner" :style="style"></div>
+							<div class="fade"></div>
+							<div class="title">
+								<MkUserName class="name" :user="user" :nowrap="true"/>
+								<div class="bottom">
+									<span class="username"><MkAcct :user="user" :detail="true" /></span>
+									<span v-if="user.isAdmin" :title="$ts.isAdmin" style="color: var(--badge);"><i class="fas fa-bookmark"></i></span>
+									<span v-if="!user.isAdmin && user.isModerator" :title="$ts.isModerator" style="color: var(--badge);"><i class="far fa-bookmark"></i></span>
+									<span v-if="user.isLocked" :title="$ts.isLocked"><i class="fas fa-lock"></i></span>
+									<span v-if="user.isBot" :title="$ts.isBot"><i class="fas fa-robot"></i></span>
+								</div>
+							</div>
+							<span class="followed" v-if="$i && $i.id != user.id && user.isFollowed">{{ $ts.followsYou }}</span>
+							<div class="actions" v-if="$i">
+								<button @click="menu" class="menu _button"><i class="fas fa-ellipsis-h"></i></button>
+								<MkFollowButton v-if="$i.id != user.id" :user="user" :inline="true" :transparent="false" :full="true" class="koudoku"/>
+							</div>
+						</div>
+						<MkAvatar class="avatar" :user="user" :disable-preview="true" :show-indicator="true"/>
 						<div class="title">
-							<MkUserName class="name" :user="user" :nowrap="true"/>
+							<MkUserName :user="user" :nowrap="false" class="name"/>
 							<div class="bottom">
 								<span class="username"><MkAcct :user="user" :detail="true" /></span>
 								<span v-if="user.isAdmin" :title="$ts.isAdmin" style="color: var(--badge);"><i class="fas fa-bookmark"></i></span>
@@ -103,90 +121,74 @@
 								<span v-if="user.isBot" :title="$ts.isBot"><i class="fas fa-robot"></i></span>
 							</div>
 						</div>
-						<span class="followed" v-if="$i && $i.id != user.id && user.isFollowed">{{ $ts.followsYou }}</span>
-						<div class="actions" v-if="$i">
-							<button @click="menu" class="menu _button"><i class="fas fa-ellipsis-h"></i></button>
-							<MkFollowButton v-if="$i.id != user.id" :user="user" :inline="true" :transparent="false" :full="true" class="koudoku"/>
+						<div class="description">
+							<Mfm v-if="user.description" :text="user.description" :is-note="false" :author="user" :i="$i" :custom-emojis="user.emojis"/>
+							<p v-else class="empty">{{ $ts.noAccountDescription }}</p>
 						</div>
-					</div>
-					<MkAvatar class="avatar" :user="user" :disable-preview="true" :show-indicator="true"/>
-					<div class="title">
-						<MkUserName :user="user" :nowrap="false" class="name"/>
-						<div class="bottom">
-							<span class="username"><MkAcct :user="user" :detail="true" /></span>
-							<span v-if="user.isAdmin" :title="$ts.isAdmin" style="color: var(--badge);"><i class="fas fa-bookmark"></i></span>
-							<span v-if="!user.isAdmin && user.isModerator" :title="$ts.isModerator" style="color: var(--badge);"><i class="far fa-bookmark"></i></span>
-							<span v-if="user.isLocked" :title="$ts.isLocked"><i class="fas fa-lock"></i></span>
-							<span v-if="user.isBot" :title="$ts.isBot"><i class="fas fa-robot"></i></span>
+						<div class="fields system">
+							<dl class="field" v-if="user.location">
+								<dt class="name"><i class="fas fa-map-marker fa-fw"></i> {{ $ts.location }}</dt>
+								<dd class="value">{{ user.location }}</dd>
+							</dl>
+							<dl class="field" v-if="user.birthday">
+								<dt class="name"><i class="fas fa-birthday-cake fa-fw"></i> {{ $ts.birthday }}</dt>
+								<dd class="value">{{ user.birthday.replace('-', '/').replace('-', '/') }} ({{ $t('yearsOld', { age }) }})</dd>
+							</dl>
+							<dl class="field">
+								<dt class="name"><i class="fas fa-calendar-alt fa-fw"></i> {{ $ts.registeredDate }}</dt>
+								<dd class="value">{{ new Date(user.createdAt).toLocaleString() }} (<MkTime :time="user.createdAt"/>)</dd>
+							</dl>
+						</div>
+						<div class="fields" v-if="user.fields.length > 0">
+							<dl class="field" v-for="(field, i) in user.fields" :key="i">
+								<dt class="name">
+									<Mfm :text="field.name" :plain="true" :custom-emojis="user.emojis" :colored="false"/>
+								</dt>
+								<dd class="value">
+									<Mfm :text="field.value" :author="user" :i="$i" :custom-emojis="user.emojis" :colored="false"/>
+								</dd>
+							</dl>
+						</div>
+						<div class="status">
+							<MkA :to="userPage(user)" :class="{ active: page === 'index' }" v-click-anime>
+								<b>{{ number(user.notesCount) }}</b>
+								<span>{{ $ts.notes }}</span>
+							</MkA>
+							<MkA :to="userPage(user, 'following')" :class="{ active: page === 'following' }" v-click-anime>
+								<b>{{ number(user.followingCount) }}</b>
+								<span>{{ $ts.following }}</span>
+							</MkA>
+							<MkA :to="userPage(user, 'followers')" :class="{ active: page === 'followers' }" v-click-anime>
+								<b>{{ number(user.followersCount) }}</b>
+								<span>{{ $ts.followers }}</span>
+							</MkA>
 						</div>
-					</div>
-					<div class="description">
-						<Mfm v-if="user.description" :text="user.description" :is-note="false" :author="user" :i="$i" :custom-emojis="user.emojis"/>
-						<p v-else class="empty">{{ $ts.noAccountDescription }}</p>
-					</div>
-					<div class="fields system">
-						<dl class="field" v-if="user.location">
-							<dt class="name"><i class="fas fa-map-marker fa-fw"></i> {{ $ts.location }}</dt>
-							<dd class="value">{{ user.location }}</dd>
-						</dl>
-						<dl class="field" v-if="user.birthday">
-							<dt class="name"><i class="fas fa-birthday-cake fa-fw"></i> {{ $ts.birthday }}</dt>
-							<dd class="value">{{ user.birthday.replace('-', '/').replace('-', '/') }} ({{ $t('yearsOld', { age }) }})</dd>
-						</dl>
-						<dl class="field">
-							<dt class="name"><i class="fas fa-calendar-alt fa-fw"></i> {{ $ts.registeredDate }}</dt>
-							<dd class="value">{{ new Date(user.createdAt).toLocaleString() }} (<MkTime :time="user.createdAt"/>)</dd>
-						</dl>
-					</div>
-					<div class="fields" v-if="user.fields.length > 0">
-						<dl class="field" v-for="(field, i) in user.fields" :key="i">
-							<dt class="name">
-								<Mfm :text="field.name" :plain="true" :custom-emojis="user.emojis" :colored="false"/>
-							</dt>
-							<dd class="value">
-								<Mfm :text="field.value" :author="user" :i="$i" :custom-emojis="user.emojis" :colored="false"/>
-							</dd>
-						</dl>
-					</div>
-					<div class="status">
-						<MkA :to="userPage(user)" :class="{ active: page === 'index' }" v-click-anime>
-							<b>{{ number(user.notesCount) }}</b>
-							<span>{{ $ts.notes }}</span>
-						</MkA>
-						<MkA :to="userPage(user, 'following')" :class="{ active: page === 'following' }" v-click-anime>
-							<b>{{ number(user.followingCount) }}</b>
-							<span>{{ $ts.following }}</span>
-						</MkA>
-						<MkA :to="userPage(user, 'followers')" :class="{ active: page === 'followers' }" v-click-anime>
-							<b>{{ number(user.followersCount) }}</b>
-							<span>{{ $ts.followers }}</span>
-						</MkA>
 					</div>
 				</div>
-			</div>
 
-			<div class="contents">
-				<template v-if="page === 'index'">
-					<div>
-						<div v-if="user.pinnedNotes.length > 0" class="_gap">
-							<XNote v-for="note in user.pinnedNotes" class="note _block" :note="note" @update:note="pinnedNoteUpdated(note, $event)" :key="note.id" :pinned="true"/>
+				<div class="contents">
+					<template v-if="page === 'index'">
+						<div>
+							<div v-if="user.pinnedNotes.length > 0" class="_gap">
+								<XNote v-for="note in user.pinnedNotes" class="note _block" :note="note" @update:note="pinnedNoteUpdated(note, $event)" :key="note.id" :pinned="true"/>
+							</div>
+							<MkInfo v-else-if="$i && $i.id === user.id">{{ $ts.userPagePinTip }}</MkInfo>
+							<XPhotos :user="user" :key="user.id"/>
+							<XActivity :user="user" :key="user.id"/>
 						</div>
-						<MkInfo v-else-if="$i && $i.id === user.id">{{ $ts.userPagePinTip }}</MkInfo>
-						<XPhotos :user="user" :key="user.id"/>
-						<XActivity :user="user" :key="user.id"/>
-					</div>
-					<div>
-						<XUserTimeline :user="user"/>
-					</div>
-				</template>
-				<XFollowList v-else-if="page === 'following'" type="following" :user="user" class="_content _gap"/>
-				<XFollowList v-else-if="page === 'followers'" type="followers" :user="user" class="_content _gap"/>
-				<XReactions v-else-if="page === 'reactions'" :user="user" class="_gap"/>
-				<XClips v-else-if="page === 'clips'" :user="user" class="_gap"/>
-				<XPages v-else-if="page === 'pages'" :user="user" class="_gap"/>
-				<XGallery v-else-if="page === 'gallery'" :user="user" class="_gap"/>
+						<div>
+							<XUserTimeline :user="user"/>
+						</div>
+					</template>
+					<XFollowList v-else-if="page === 'following'" type="following" :user="user" class="_content _gap"/>
+					<XFollowList v-else-if="page === 'followers'" type="followers" :user="user" class="_content _gap"/>
+					<XReactions v-else-if="page === 'reactions'" :user="user" class="_gap"/>
+					<XClips v-else-if="page === 'clips'" :user="user" class="_gap"/>
+					<XPages v-else-if="page === 'pages'" :user="user" class="_gap"/>
+					<XGallery v-else-if="page === 'gallery'" :user="user" class="_gap"/>
+				</div>
 			</div>
-		</div>
+		</MkSpacer>
 		<MkError v-else-if="error" @retry="fetch()"/>
 		<MkLoading v-else/>
 	</transition>
@@ -833,16 +835,4 @@ export default defineComponent({
 		}
 	}
 }
-
-._fitSide_ .ftskorzw.narrow {
-	> .profile {
-		> .warn {
-			margin: 0;
-		}
-
-		> .main {
-			margin-top: 0;
-		}
-	}
-}
 </style>
diff --git a/src/client/style.scss b/src/client/style.scss
index d6bad5a24..0275efa8b 100644
--- a/src/client/style.scss
+++ b/src/client/style.scss
@@ -1,7 +1,6 @@
 @charset "utf-8";
 
 :root {
-	--baseContentWidth: 760px;
 	--radius: 12px;
 	--marginFull: 16px;
 	--marginHalf: 10px;
@@ -349,22 +348,6 @@ hr {
 	contain: layout; // ふき出しがボックスから飛び出て表示されるようなデザインをする場合もあるので paint は contain することができない
 }
 
-// TODO: 廃止
-._root {
-	box-sizing: border-box;
-	margin: var(--root-margin, 32px) auto;
-	max-width: min(var(--baseContentWidth), calc(100% - (var(--root-margin, 32px) * 2)));
-
-	// 子marginが突き抜けるのを防ぐため
-	// https://stackoverflow.com/questions/1762539/margin-on-child-element-moves-parent-element
-	padding-top: 1px;
-	margin-top: calc(var(--root-margin, 32px) - 1px);
-
-	@media (max-width: 500px) {
-		--root-margin: 10px;
-	}
-}
-
 ._monolithic_ {
 	._section:not(:empty) {
 		box-sizing: border-box;
@@ -380,33 +363,6 @@ hr {
 	}
 }
 
-._fitSide_ {
-	--root-margin: 0px;
-	--baseContentWidth: 100%;
-	--panelBorder: none;
-
-	._block {
-		//border-top: solid 0.5px var(--divider);
-		//border-bottom: solid 0.5px var(--divider);
-		border-radius: 0;
-		box-shadow: none;
-	}
-
-	._isolated {
-		margin: var(--margin);
-	}
-
-	._block._isolated {
-		border-radius: var(--radius);
-	}
-
-	@media (max-width: 500px) {
-		._root {
-			--root-margin: 0px;
-		}
-	}
-}
-
 ._narrow_ ._card {
 	> ._title {
 		padding: 16px;
diff --git a/src/client/ui/chat/side.vue b/src/client/ui/chat/side.vue
index 3fd0a0e77..a8a538c75 100644
--- a/src/client/ui/chat/side.vue
+++ b/src/client/ui/chat/side.vue
@@ -3,7 +3,7 @@
 	<header class="header" @contextmenu.prevent.stop="onContextmenu">
 		<MkHeader class="title" :info="pageInfo" :center="false"/>
 	</header>
-	<component :is="component" v-bind="props" :ref="changePage" class="body _fitSide_"/>
+	<component :is="component" v-bind="props" :ref="changePage" class="body"/>
 </div>
 </template>
 
diff --git a/src/client/ui/deck/main-column.vue b/src/client/ui/deck/main-column.vue
index baf88a972..591897bba 100644
--- a/src/client/ui/deck/main-column.vue
+++ b/src/client/ui/deck/main-column.vue
@@ -7,7 +7,7 @@
 		</template>
 	</template>
 
-	<router-view v-slot="{ Component }" class="_fitSide_">
+	<router-view v-slot="{ Component }">
 		<transition>
 			<keep-alive :include="['timeline']">
 				<component :is="Component" :ref="changePage" @contextmenu.stop="onContextmenu"/>
diff --git a/src/client/ui/default.vue b/src/client/ui/default.vue
index 3518b1a91..0f0773e41 100644
--- a/src/client/ui/default.vue
+++ b/src/client/ui/default.vue
@@ -13,7 +13,7 @@
 		</template>
 
 		<main class="main" @contextmenu.stop="onContextmenu" :style="{ background: pageInfo?.bg }">
-			<div class="content" :class="{ _fitSide_: !fullView }">
+			<div class="content">
 				<router-view v-slot="{ Component }">
 					<transition :name="$store.state.animation ? 'page' : ''" mode="out-in" @enter="onTransition">
 						<keep-alive :include="['timeline']">
diff --git a/src/client/widgets/notifications.vue b/src/client/widgets/notifications.vue
index b0245eed6..5e2648f5b 100644
--- a/src/client/widgets/notifications.vue
+++ b/src/client/widgets/notifications.vue
@@ -3,7 +3,7 @@
 	<template #header><i class="fas fa-bell"></i>{{ $ts.notifications }}</template>
 	<template #func><button @click="configure()" class="_button"><i class="fas fa-cog"></i></button></template>
 
-	<div class="_fitSide_">
+	<div>
 		<XNotifications :include-types="props.includingTypes"/>
 	</div>
 </MkContainer>