Workaround for WebKit bug 152299 (https://bugs.webkit.org/show_bug.cgi?id=152299)
$ npm install roundme-ios-gyro-patch
for static html page, you have to just load script on the page
var roundmeIosGyroPatch = require('roundme-ios-gyro-patch');
for dynamic iframe loading (ajax)
var roundmeIosGyroPatch = require('roundme-ios-gyro-patch');
// call when iframe loaded
roundmeIosGyroPatch()