message: feat(map): display better for small heights
diff: @@ -146,11 +146,7 @@ class App extends React.Component<Props, State> {
  }
  export default styled(App)`
  - position: fixed;
  - top: 0;
  - right: 0;
  - bottom: 0;
  - left: 0;
  + height: 100vh;
  display: flex;
  flex-direction: column;
  color: ${p => p.theme.textColor};
  @@ -159,6 +155,7 @@ export default styled(App)`
  display: flex;
  flex-grow: 1;
  height: 0;
  + min-height: 150px;
  > .map-area {
  flex-grow: 1;
  