Show a face pile on a space preview

res/css/views/elements/_FacePile.scss

@@ -0,0 +1,40 @@
+/*
+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_FacePile {
+    .mx_FacePile_faces {
+        display: inline-flex;
+        flex-direction: row-reverse;
+        vertical-align: middle;
+
+        .mx_BaseAvatar {
+            & + .mx_BaseAvatar {
+                margin-right: -10px;
+            }
+        }
+
+        .mx_BaseAvatar_image {
+            border: 1px solid $primary-bg-color;
+        }
+    }
+
+    > span {
+        margin-left: 12px;
+        font-size: $font-14px;
+        line-height: $font-24px;
+        color: $tertiary-fg-color;
+    }
+}