all questions: showing loading indicator on new db select, loading indicator update

src/components/LoadingIndicator.js

@@ -1,10 +1,12 @@
 import React, { PureComponent } from 'react'
 
+import styles from './LoadingIndicator.module.css'
+
 class LoadingIndicator extends PureComponent {
-  render () {
+  render() {
     return (
-      <div className='loadingindicator'>
-        Loading...
+      <div className={styles.loadContainer}>
+        <div className={styles.load} />
       </div>
     )
   }