View file masteru.site/js/panel.js

			var viewportmeta = document.querySelector && document.querySelector('meta[name="viewport"]'),
			ua = navigator.userAgent,

			gestureStart = function () {
				viewportmeta.content = "width=device-width, minimum-scale=0.25, maximum-scale=1.6";
			},

			scaleFix = function () {
			  if (viewportmeta && /iPhone|iPad/.test(ua) && !/Opera Mini/.test(ua)) {
				viewportmeta.content = "width=device-width, minimum-scale=1.0, maximum-scale=1.0";
				document.addEventListener("gesturestart", gestureStart, false);
			  }
			};
			scaleFix();