Initial SpaceRoomView work

res/css/views/spaces/_SpacePublicShare.scss

@@ -0,0 +1,60 @@
+/*
+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_SpacePublicShare {
+    .mx_AccessibleButton {
+        border: 1px solid $space-button-outline-color;
+        box-sizing: border-box;
+        border-radius: 8px;
+        padding: 12px 24px 12px 52px;
+        margin-top: 16px;
+        width: $SpaceRoomViewInnerWidth;
+        font-size: $font-15px;
+        line-height: $font-24px;
+        position: relative;
+        display: flex;
+
+        > span {
+            color: #368bd6;
+            margin-left: auto;
+        }
+
+        &:hover {
+            background-color: rgba(141, 151, 165, 0.1);
+        }
+
+        &::before {
+            content: "";
+            position: absolute;
+            width: 30px;
+            height: 30px;
+            mask-repeat: no-repeat;
+            mask-size: contain;
+            mask-position: center;
+            background: $muted-fg-color;
+            left: 12px;
+            top: 9px;
+        }
+
+        &.mx_SpacePublicShare_shareButton::before {
+            mask-image: url('$(res)/img/element-icons/link.svg');
+        }
+
+        &.mx_SpacePublicShare_inviteButton::before {
+            mask-image: url('$(res)/img/element-icons/room/invite.svg');
+        }
+    }
+}