Show Spaces beta card in Labs & My Communities view

the image is temporary

res/css/_components.scss

@@ -54,6 +54,7 @@
 @import "./views/avatars/_MemberStatusMessageAvatar.scss";
 @import "./views/avatars/_PulsedAvatar.scss";
 @import "./views/avatars/_WidgetAvatar.scss";
+@import "./views/beta/_BetaCard.scss";
 @import "./views/context_menus/_CallContextMenu.scss";
 @import "./views/context_menus/_IconizedContextMenu.scss";
 @import "./views/context_menus/_MessageContextMenu.scss";
@@ -236,6 +237,7 @@
 @import "./views/settings/tabs/user/_AppearanceUserSettingsTab.scss";
 @import "./views/settings/tabs/user/_GeneralUserSettingsTab.scss";
 @import "./views/settings/tabs/user/_HelpUserSettingsTab.scss";
+@import "./views/settings/tabs/user/_LabsUserSettingsTab.scss";
 @import "./views/settings/tabs/user/_MjolnirUserSettingsTab.scss";
 @import "./views/settings/tabs/user/_NotificationUserSettingsTab.scss";
 @import "./views/settings/tabs/user/_PreferencesUserSettingsTab.scss";

res/css/structures/_MyGroups.scss

@@ -35,6 +35,12 @@ limitations under the License.
     margin: 40px;
 }
 
+.mx_MyGroups {
+    .mx_BetaCard {
+        margin: 0 40px;
+    }
+}
+
 .mx_MyGroups_headerCard {
     flex: 1 0 50%;
     margin-bottom: 30px;

res/css/views/beta/_BetaCard.scss

@@ -0,0 +1,70 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_BetaCard {
+    margin-bottom: 20px;
+    padding: 24px;
+    background-color: $settings-profile-placeholder-bg-color;
+    border-radius: 8px;
+    display: flex;
+    box-sizing: border-box;
+
+    > div {
+        .mx_BetaCard_title {
+            font-weight: $font-semi-bold;
+            font-size: $font-18px;
+            line-height: $font-22px;
+            color: $primary-fg-color;
+            margin: 4px 0 14px;
+        }
+
+        .mx_BetaCard_caption {
+            font-size: $font-15px;
+            line-height: $font-20px;
+            color: $secondary-fg-color;
+        }
+
+        .mx_AccessibleButton {
+            display: block;
+            margin: 20px 0;
+            padding: 12px 40px;
+        }
+
+        .mx_BetaCard_disclaimer {
+            font-size: $font-12px;
+            line-height: $font-15px;
+            color: $secondary-fg-color;
+        }
+    }
+
+    > img {
+        margin: auto 0 auto 20px;
+        width: 300px;
+        object-fit: contain;
+        height: 100%;
+    }
+}
+
+.mx_BetaCard_betaPill {
+    background-color: $accent-color-alt;
+    padding: 4px 10px;
+    border-radius: 8px;
+    margin-left: 12px;
+    text-transform: uppercase;
+    font-size: 12px;
+    line-height: 15px;
+    color: #FFFFFF;
+}

res/css/views/settings/tabs/user/_LabsUserSettingsTab.scss

@@ -0,0 +1,25 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+.mx_LabsUserSettingsTab {
+    .mx_SettingsTab_section {
+        margin-top: 32px;
+
+        .mx_SettingsFlag {
+            margin-right: 0; // remove right margin to align with beta cards
+        }
+    }
+}