first commit

js/utils/rem.js

@@ -0,0 +1,10 @@
+(function (w, d) {
+    function setSize() {
+        var screenWidth = d.documentElement.clientWidth;
+        var currentFontSize = (screenWidth * 100) / 750;
+        d.documentElement.style.fontSize = currentFontSize + "px";
+    }
+    w.addEventListener("resize", setSize);
+    w.addEventListener("pageShow", setSize);
+    w.addEventListener("DOMContentLoaded", setSize);
+})(window, document);