chore: sync with verdaccio master

src/webui/components/Spinner/styles.js

@@ -0,0 +1,30 @@
+/**
+ * @prettier
+ * @flow
+ */
+
+import styled, { css } from 'react-emotion';
+import CircularProgress from '@material-ui/core/CircularProgress/index';
+import colors from '../../utils/styles/colors';
+
+export const Wrapper = styled.div`
+  && {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    ${props =>
+      props.centered &&
+      css`
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        transform: translate(-50%, -50%);
+      `};
+  }
+`;
+
+export const Circular = styled(CircularProgress)`
+  && {
+    color: ${colors.primary};
+  }
+`;