message: center invite button caption
diff: @@ -72,6 +72,7 @@ limitations under the License.
  padding: 8px;
  margin: 9px;
  display: flex;
  + justify-content: center;
  color: $button-fg-color;
  font-weight: 600;
  @@ -82,7 +83,6 @@ limitations under the License.
  }
  .mx_MemberList_invite span {
  - margin: 0 auto;
  background-image: url('$(res)/img/feather-icons/user-add.svg');
  background-repeat: no-repeat;
  background-position: center left;
  