diff --git a/ts/styles/defaults/run-properties.ts b/ts/styles/defaults/run-properties.ts
index 388d7a2e88..edea19a079 100644
--- a/ts/styles/defaults/run-properties.ts
+++ b/ts/styles/defaults/run-properties.ts
@@ -1,10 +1,24 @@
 import { RunProperties } from "../../docx/run/properties";
 import { XmlComponent } from "../../docx/xml-components";
+import { RunFonts } from "../../docx/run/run-fonts";
+import { Size } from "../../docx/run/formatting";
 
 export class RunPropertiesDefaults extends XmlComponent {
+    private properties: RunProperties;
 
     constructor() {
         super("w:rPrDefault");
-        this.root.push(new RunProperties());
+        this.properties = new RunProperties();
+        this.root.push(this.properties);
+    }
+
+    public size(size: number): RunPropertiesDefaults {
+        this.properties.push(new Size(size));
+        return this;
+    }
+
+    public font(fontName: string): RunPropertiesDefaults {
+        this.properties.push(new RunFonts(fontName));
+        return this;
     }
 }
diff --git a/ts/styles/factory.ts b/ts/styles/factory.ts
index 5cfa36a441..f17fa1e1d4 100644
--- a/ts/styles/factory.ts
+++ b/ts/styles/factory.ts
@@ -11,7 +11,7 @@ export class DefaultStylesFactory {
 
     public newInstance(): Styles {
         const styles = new Styles();
-        styles.push(new DocumentDefaults());
+        styles.createDocumentDefaults();
 
         const titleStyle = new TitleStyle();
         titleStyle.addRunProperty(new Size(56));
diff --git a/ts/styles/index.ts b/ts/styles/index.ts
index e24f32d986..b96a245a08 100644
--- a/ts/styles/index.ts
+++ b/ts/styles/index.ts
@@ -1,6 +1,7 @@
 import { DocumentAttributes } from "../docx/document/document-attributes";
 import { XmlComponent } from "../docx/xml-components";
 import { ParagraphStyle } from "./style";
+import { DocumentDefaults } from "./defaults";
 
 export class Styles extends XmlComponent {
 
@@ -14,11 +15,7 @@ export class Styles extends XmlComponent {
             w15: "http://schemas.microsoft.com/office/word/2012/wordml",
             Ignorable: "w14 w15",
         }));
-        // let latentStyles = new LatentStyles();
-        // latentStyles.push(new LatentStyleException(new LatentStyleExceptionAttributes({
-        //    name: "Normal"
-        // })));
-        // this.root.push(latentStyles);
+
     }
 
     public push(style: XmlComponent): Styles {
@@ -26,6 +23,12 @@ export class Styles extends XmlComponent {
         return this;
     }
 
+    public createDocumentDefaults(): DocumentDefaults {
+        const defaults = new DocumentDefaults();
+        this.push(defaults);
+        return defaults;
+    }
+
     public createParagraphStyle(styleId: string, name?: string): ParagraphStyle {
         const para = new ParagraphStyle(styleId, name);
         this.push(para);