rhysd/index.html

## index.html
<!DOCTYPE html>
<html>
  <body>
    Hello, world.
  </body>
</html>

## main.js
const path = require('path');
const electron = require('electron');
const app = electron.app;
const BrowserWindow = electron.BrowserWindow;

app.on('ready', () => {
    const win = new BrowserWindow({
        webPreferences: {
            sandbox: true
        }
    });
    win.webContents.on('dom-ready', () => {
        win.webContents.insertCSS('body { color: red !important; }');
        console.log('CSS was inserted');
    });
    win.loadURL('file://' + path.join(__dirname, 'index.html'));
});

## package.json
{
  "name": "electron-bug",
  "version": "0.0.0",
  "main": "main.js",
  "dependencies": {
    "electron": "^1.6.7"
  }
}
	const path = require('path');
	const electron = require('electron');
	const app = electron.app;
	const BrowserWindow = electron.BrowserWindow;

	app.on('ready', () => {
	const win = new BrowserWindow({
	webPreferences: {
	sandbox: true
	}
	});
	win.webContents.on('dom-ready', () => {
	win.webContents.insertCSS('body { color: red !important; }');
	console.log('CSS was inserted');
	});
	win.loadURL('file://' + path.join(__dirname, 'index.html'));
	});
	{
	"name": "electron-bug",
	"version": "0.0.0",
	"main": "main.js",
	"dependencies": {
	"electron": "^1.6.7"
	}
	}