Fix isInternalUrl for subdomain support

Refactor / reduce plumbing

app/components/Actions.js

@@ -0,0 +1,45 @@
+// @flow
+import styled from 'styled-components';
+import breakpoint from 'styled-components-breakpoint';
+import Flex from 'shared/components/Flex';
+
+export const Action = styled(Flex)`
+  justify-content: center;
+  align-items: center;
+  padding: 0 0 0 12px;
+  font-size: 15px;
+
+  a {
+    color: ${props => props.theme.text};
+    height: 24px;
+  }
+`;
+
+export const Separator = styled.div`
+  margin-left: 12px;
+  width: 1px;
+  height: 20px;
+  background: ${props => props.theme.slateLight};
+`;
+
+const Actions = styled(Flex)`
+  position: fixed;
+  top: 0;
+  right: 0;
+  left: 0;
+  border-radius: 3px;
+  background: rgba(255, 255, 255, 0.9);
+  padding: 12px;
+  -webkit-backdrop-filter: blur(20px);
+
+  @media print {
+    display: none;
+  }
+
+  ${breakpoint('tablet')`
+    left: auto;
+    padding: 24px;
+  `};
+`;
+
+export default Actions;