Misc styling fixes to explore: start page, slate code editor colors, text highlight in auto completeter suggestion

public/app/plugins/datasource/prometheus/components/PromStart.tsx

@@ -1,59 +1,12 @@
 import React, { PureComponent } from 'react';
-import classNames from 'classnames';
 
 import PromCheatSheet from './PromCheatSheet';
 
-const TAB_MENU_ITEMS = [
-  {
-    text: 'Start',
-    id: 'start',
-    icon: 'fa fa-rocket',
-  },
-];
-
-export default class PromStart extends PureComponent<any, { active: string }> {
-  state = {
-    active: 'start',
-  };
-
-  onClickTab = active => {
-    this.setState({ active });
-  };
-
+export default class PromStart extends PureComponent<any> {
   render() {
-    const { active } = this.state;
-    const customCss = '';
-
     return (
-      <div style={{ margin: '45px 0', border: '1px solid #ddd', borderRadius: 5 }}>
-        <div className="page-header-canvas">
-          <div className="page-container">
-            <div className="page-header">
-              <nav>
-                <ul className={`gf-tabs ${customCss}`}>
-                  {TAB_MENU_ITEMS.map((tab, idx) => {
-                    const tabClasses = classNames({
-                      'gf-tabs-link': true,
-                      active: tab.id === active,
-                    });
-
-                    return (
-                      <li className="gf-tabs-item" key={tab.id}>
-                        <a className={tabClasses} onClick={() => this.onClickTab(tab.id)}>
-                          <i className={tab.icon} />
-                          {tab.text}
-                        </a>
-                      </li>
-                    );
-                  })}
-                </ul>
-              </nav>
-            </div>
-          </div>
-        </div>
-        <div className="page-container page-body">
-          {active === 'start' && <PromCheatSheet onClickExample={this.props.onClickExample} />}
-        </div>
+      <div className="grafana-info-box">
+        <PromCheatSheet onClickExample={this.props.onClickExample} />} etdiv>
       </div>
     );
   }