diff --git a/ts/styles/defaults/index.ts b/ts/styles/defaults/index.ts
index 7b74e1d311..65737fcc52 100644
--- a/ts/styles/defaults/index.ts
+++ b/ts/styles/defaults/index.ts
@@ -1,6 +1,6 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {ParagraphPropertiesDefaults} from "./paragraph-properties";
-import {RunPropertiesDefaults} from "./run-properties";
+import { XmlComponent } from "../../docx/xml-components";
+import { ParagraphPropertiesDefaults } from "./paragraph-properties";
+import { RunPropertiesDefaults } from "./run-properties";
 
 export class DocumentDefaults extends XmlComponent {
 
@@ -15,10 +15,10 @@ export class DocumentDefaults extends XmlComponent {
         this.root.push(this.paragraphPropertiesDefaults);
     }
 
-    clearVariables(): void {
+    public clearVariables(): void {
         this.runPropertiesDefaults.clearVariables();
         this.paragraphPropertiesDefaults.clearVariables();
         delete this.runPropertiesDefaults;
         delete this.paragraphPropertiesDefaults;
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/defaults/paragraph-properties.ts b/ts/styles/defaults/paragraph-properties.ts
index 43d1d4c4cf..bac85aa796 100644
--- a/ts/styles/defaults/paragraph-properties.ts
+++ b/ts/styles/defaults/paragraph-properties.ts
@@ -1,5 +1,5 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {ParagraphProperties} from "../../docx/paragraph/properties";
+import { ParagraphProperties } from "../../docx/paragraph/properties";
+import { XmlComponent } from "../../docx/xml-components";
 
 export class ParagraphPropertiesDefaults extends XmlComponent {
 
@@ -7,4 +7,4 @@ export class ParagraphPropertiesDefaults extends XmlComponent {
         super("w:pPrDefault");
         this.root.push(new ParagraphProperties());
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/defaults/run-properties.ts b/ts/styles/defaults/run-properties.ts
index e3c14a20a1..388d7a2e88 100644
--- a/ts/styles/defaults/run-properties.ts
+++ b/ts/styles/defaults/run-properties.ts
@@ -1,5 +1,5 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {RunProperties} from "../../docx/run/properties";
+import { RunProperties } from "../../docx/run/properties";
+import { XmlComponent } from "../../docx/xml-components";
 
 export class RunPropertiesDefaults extends XmlComponent {
 
@@ -7,4 +7,4 @@ export class RunPropertiesDefaults extends XmlComponent {
         super("w:rPrDefault");
         this.root.push(new RunProperties());
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/factory.ts b/ts/styles/factory.ts
index 9907157dd3..d44e4c3b09 100644
--- a/ts/styles/factory.ts
+++ b/ts/styles/factory.ts
@@ -1,56 +1,60 @@
-import {Styles} from "./";
-import {DocumentDefaults} from "./defaults";
-import {ParagraphPropertiesDefaults} from "./defaults/paragraph-properties";
-import {RunPropertiesDefaults} from "./defaults/run-properties";
-import {Heading1Style, Heading2Style, TitleStyle, Heading3Style, Heading4Style, Heading5Style, Heading6Style, ListParagraph} from "./style";
-// import {StyleAttributes} from "./style/attributes";
-import {ParagraphProperties} from "../docx/paragraph/properties";
-import {RunProperties} from "../docx/run/properties";
-import {Color, Size, Italics} from "../docx/run/formatting";
+import { ParagraphProperties } from "../docx/paragraph/properties";
+import { Color, Italics, Size } from "../docx/run/formatting";
+import { RunProperties } from "../docx/run/properties";
+
+import { Styles } from "./";
+import { DocumentDefaults } from "./defaults";
+import { ParagraphPropertiesDefaults } from "./defaults/paragraph-properties";
+import { RunPropertiesDefaults } from "./defaults/run-properties";
+import {
+    Heading1Style, Heading2Style, Heading3Style, Heading4Style, Heading5Style, Heading6Style,
+    ListParagraph, TitleStyle,
+} from "./style";
+// import { StyleAttributes } from "./style/attributes";
 
 export class DefaultStylesFactory {
 
-    newInstance(): Styles {
-        let styles = new Styles();
+    public newInstance(): Styles {
+        const styles = new Styles();
         styles.push(new DocumentDefaults());
 
-        let titleStyle = new TitleStyle();
+        const titleStyle = new TitleStyle();
         titleStyle.addRunProperty(new Size(56));
         styles.push(titleStyle);
 
-        let heading1Style = new Heading1Style();
+        const heading1Style = new Heading1Style();
         heading1Style.addRunProperty(new Color("2E74B5"));
         heading1Style.addRunProperty(new Size(32));
         styles.push(heading1Style);
 
-        let heading2Style = new Heading2Style();
+        const heading2Style = new Heading2Style();
         heading2Style.addRunProperty(new Color("2E74B5"));
         heading2Style.addRunProperty(new Size(26));
         styles.push(heading2Style);
 
-        let heading3Style = new Heading3Style();
+        const heading3Style = new Heading3Style();
         heading3Style.addRunProperty(new Color("1F4D78"));
         heading3Style.addRunProperty(new Size(24));
         styles.push(heading3Style);
 
-        let heading4Style = new Heading4Style();
+        const heading4Style = new Heading4Style();
         heading4Style.addRunProperty(new Color("2E74B5"));
         heading4Style.addRunProperty(new Italics());
         styles.push(heading4Style);
 
-        let heading5Style = new Heading5Style();
+        const heading5Style = new Heading5Style();
         heading5Style.addRunProperty(new Color("2E74B5"));
         styles.push(heading5Style);
 
-        let heading6Style = new Heading6Style();
+        const heading6Style = new Heading6Style();
         heading6Style.addRunProperty(new Color("1F4D78"));
         styles.push(heading6Style);
 
-        let listParagraph = new ListParagraph();
+        const listParagraph = new ListParagraph();
         // listParagraph.addParagraphProperty();
         styles.push(listParagraph);
 
         // console.log(JSON.stringify(styles, null, "  "));
         return styles;
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/index.ts b/ts/styles/index.ts
index ebf66dd56b..ee9f2bc784 100644
--- a/ts/styles/index.ts
+++ b/ts/styles/index.ts
@@ -1,9 +1,9 @@
-import {XmlComponent} from "../docx/xml-components";
-import {DocumentAttributes} from "../docx/document/document-attributes";
-import {DocumentDefaults} from "./defaults";
-import {LatentStyles} from "./latent-styles";
-import {LatentStyleException} from "./latent-styles/exceptions";
-import {LatentStyleExceptionAttributes} from "./latent-styles/exceptions/attributes";
+import { DocumentAttributes } from "../docx/document/document-attributes";
+import { XmlComponent } from "../docx/xml-components";
+import { DocumentDefaults } from "./defaults";
+import { LatentStyles } from "./latent-styles";
+import { LatentStyleException } from "./latent-styles/exceptions";
+import { LatentStyleExceptionAttributes } from "./latent-styles/exceptions/attributes";
 
 export class Styles extends XmlComponent {
 
@@ -15,7 +15,7 @@ export class Styles extends XmlComponent {
             w: "http://schemas.openxmlformats.org/wordprocessingml/2006/main",
             w14: "http://schemas.microsoft.com/office/word/2010/wordml",
             w15: "http://schemas.microsoft.com/office/word/2012/wordml",
-            Ignorable: "w14 w15"
+            Ignorable: "w14 w15",
         }));
         // let latentStyles = new LatentStyles();
         // latentStyles.push(new LatentStyleException(new LatentStyleExceptionAttributes({
@@ -24,13 +24,14 @@ export class Styles extends XmlComponent {
         // this.root.push(latentStyles);
     }
 
-    push(style: XmlComponent): void {
+    public push(style: XmlComponent): Styles {
         this.root.push(style);
+        return this;
     }
 
-    clearVariables() {
-        this.root.forEach(element => {
+    public clearVariables(): void {
+        this.root.forEach((element) => {
             element.clearVariables();
         });
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/latent-styles/exceptions/attributes.ts b/ts/styles/latent-styles/exceptions/attributes.ts
index 4c2eaa2786..359852bceb 100644
--- a/ts/styles/latent-styles/exceptions/attributes.ts
+++ b/ts/styles/latent-styles/exceptions/attributes.ts
@@ -1,6 +1,6 @@
 import {XmlComponent} from "../../../docx/xml-components";
 
-interface LatentStyleExceptionAttributesProperties {
+interface ILatentStyleExceptionAttributesProperties {
     name?: string;
     uiPriority?: string;
     qFormat?: string;
@@ -9,23 +9,23 @@ interface LatentStyleExceptionAttributesProperties {
 }
 
 export class LatentStyleExceptionAttributes extends XmlComponent {
-    private _attr: Object;
+    private _attr: ILatentStyleExceptionAttributesProperties;
 
-    xmlKeys = {
+    private xmlKeys = {
         name: "w:name",
         uiPriority: "w:uiPriority",
         qFormat: "w:qFormat",
         semiHidden: "w:semiHidden",
-        unhideWhenUsed: "w:unhideWhenUsed"
+        unhideWhenUsed: "w:unhideWhenUsed",
     };
 
-    constructor(properties?: LatentStyleExceptionAttributesProperties) {
+    constructor(properties?: ILatentStyleExceptionAttributesProperties) {
         super("_attr");
         this._attr = properties;
 
         if (!properties) {
             this._attr = {};
         }
-        this._attr["xmlKeys"] = this.xmlKeys;
+        //this._attr.xmlKeys = this.xmlKeys;
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/latent-styles/exceptions/index.ts b/ts/styles/latent-styles/exceptions/index.ts
index 685440b3ee..227ed93318 100644
--- a/ts/styles/latent-styles/exceptions/index.ts
+++ b/ts/styles/latent-styles/exceptions/index.ts
@@ -1,5 +1,5 @@
-import {XmlComponent} from "../../../docx/xml-components";
-import {LatentStyleExceptionAttributes} from "./attributes";
+import { XmlComponent } from "../../../docx/xml-components";
+import { LatentStyleExceptionAttributes } from "./attributes";
 
 export class LatentStyleException extends XmlComponent {
 
@@ -7,4 +7,4 @@ export class LatentStyleException extends XmlComponent {
         super("w:lsdException");
         this.root.push(attributes);
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/latent-styles/index.ts b/ts/styles/latent-styles/index.ts
index fe75c11e37..583ab1e0e0 100644
--- a/ts/styles/latent-styles/index.ts
+++ b/ts/styles/latent-styles/index.ts
@@ -1,5 +1,5 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {LatentStyleException} from "./exceptions";
+import { XmlComponent } from "../../docx/xml-components";
+import { LatentStyleException } from "./exceptions";
 
 export class LatentStyles extends XmlComponent {
 
@@ -7,7 +7,7 @@ export class LatentStyles extends XmlComponent {
         super("w:latentStyles");
     }
 
-    push(latentException: LatentStyleException): void {
+    public push(latentException: LatentStyleException): void {
         this.root.push(latentException);
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/style/attributes.ts b/ts/styles/style/attributes.ts
index a227979cb4..c6ec627404 100644
--- a/ts/styles/style/attributes.ts
+++ b/ts/styles/style/attributes.ts
@@ -1,7 +1,6 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {XmlAttributeComponent} from "../../docx/xml-components";
+import { XmlAttributeComponent, XmlComponent } from "../../docx/xml-components";
 
-interface StyleAttributesProperties {
+interface IStyleAttributesProperties {
     type?: string;
     styleId?: string;
     default?: string;
@@ -10,15 +9,15 @@ interface StyleAttributesProperties {
 }
 
 export class StyleAttributes extends XmlAttributeComponent {
-    private _attr: Object;
+    private _attr: IStyleAttributesProperties;
 
-    constructor(properties: StyleAttributesProperties) {
+    constructor(properties: IStyleAttributesProperties) {
         super({
             type: "w:type",
             styleId: "w:styleId",
             default: "w:default",
             customStyle: "w:customStyle",
-            val: "w:val"
+            val: "w:val",
         }, properties);
     }
-}
\ No newline at end of file
+}
diff --git a/ts/styles/style/components.ts b/ts/styles/style/components.ts
index f7853169d1..17751bb32a 100644
--- a/ts/styles/style/components.ts
+++ b/ts/styles/style/components.ts
@@ -1,12 +1,12 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {StyleAttributes} from "./attributes";
+import { XmlComponent } from "../../docx/xml-components";
+import { StyleAttributes } from "./attributes";
 
 export class Name extends XmlComponent {
 
     constructor(value: string) {
         super("w:name");
         this.root.push(new StyleAttributes({
-            val: value
+            val: value,
         }));
     }
 }
@@ -16,7 +16,7 @@ export class BasedOn extends XmlComponent {
     constructor(value: string) {
         super("w:basedOn");
         this.root.push(new StyleAttributes({
-            val: value
+            val: value,
         }));
     }
 }
@@ -27,7 +27,7 @@ export class Next extends XmlComponent {
         super("w:next");
         this.root.push(new StyleAttributes({
             styleId: "1",
-            val: value
+            val: value,
         }));
     }
 }
@@ -37,7 +37,7 @@ export class Link extends XmlComponent {
     constructor(value: string) {
         super("w:link");
         this.root.push(new StyleAttributes({
-            val: value
+            val: value,
         }));
     }
 }
@@ -47,7 +47,7 @@ export class UiPriority extends XmlComponent {
     constructor(value: string) {
         super("w:uiPriority");
         this.root.push(new StyleAttributes({
-            val: value
+            val: value,
         }));
     }
 }
@@ -73,4 +73,4 @@ export class RsId extends XmlComponent {
 
 export class SemiHidden extends XmlComponent {
 
-}
\ No newline at end of file
+}
diff --git a/ts/styles/style/index.ts b/ts/styles/style/index.ts
index 412667ea81..6d916a1507 100644
--- a/ts/styles/style/index.ts
+++ b/ts/styles/style/index.ts
@@ -1,8 +1,9 @@
-import {XmlComponent} from "../../docx/xml-components";
-import {StyleAttributes} from "./attributes";
-import {ParagraphProperties} from "../../docx/paragraph/properties";
-import {RunProperties} from "../../docx/run/properties";
-import {Name, BasedOn, Next, QuickFormat} from "./components";
+import { ParagraphProperties } from "../../docx/paragraph/properties";
+import { RunProperties } from "../../docx/run/properties";
+import { XmlComponent } from "../../docx/xml-components";
+
+import { StyleAttributes } from "./attributes";
+import { BasedOn, Name, Next, QuickFormat } from "./components";
 
 export class Style extends XmlComponent {
 
@@ -11,7 +12,7 @@ export class Style extends XmlComponent {
         this.root.push(attributes);
     }
 
-    push(styleSegment: XmlComponent): void {
+    public push(styleSegment: XmlComponent): void {
         this.root.push(styleSegment);
     }
 }
@@ -23,9 +24,9 @@ export class ParagraphStyle extends Style {
 
     constructor(styleId: string) {
 
-        let attributes = new StyleAttributes({
+        const attributes = new StyleAttributes({
             type: "paragraph",
-            styleId: styleId
+            styleId: styleId,
         });
         super(attributes);
         this.paragraphProperties = new ParagraphProperties();
@@ -34,18 +35,18 @@ export class ParagraphStyle extends Style {
         this.root.push(this.runProperties);
     }
 
-    clearVariables(): void {
+    public clearVariables(): void {
         this.paragraphProperties.clearVariables();
         this.runProperties.clearVariables();
         delete this.paragraphProperties;
         delete this.runProperties;
     }
 
-    addParagraphProperty(property: XmlComponent): void {
+    public addParagraphProperty(property: XmlComponent): void {
         this.paragraphProperties.push(property);
     }
 
-    addRunProperty(property: XmlComponent): void {
+    public addRunProperty(property: XmlComponent): void {
         this.runProperties.push(property);
     }
 }
@@ -118,4 +119,4 @@ export class ListParagraph extends ParagraphStyle {
         this.root.push(new BasedOn("Normal"));
         this.root.push(new QuickFormat());
     }
-}
\ No newline at end of file
+}
diff --git a/ts/tests/stylesTest.ts b/ts/tests/stylesTest.ts
index bc3015c009..06fc29e645 100644
--- a/ts/tests/stylesTest.ts
+++ b/ts/tests/stylesTest.ts
@@ -1,5 +1,5 @@
-import { Styles } from "../styles";
 import { assert } from "chai";
+import { Styles } from "../styles";
 
 describe("Styles", () => {
     let styles: Styles;
@@ -11,11 +11,8 @@ describe("Styles", () => {
     describe("#constructor()", () => {
 
         it("should create styles with correct rootKey", () => {
-            let styles = new Styles();
-            let stringifiedJson = JSON.stringify(styles);
-            let newJson = JSON.parse(stringifiedJson);
-
+            const newJson = JSON.parse(JSON.stringify(styles));
             assert.equal(newJson.rootKey, "w:styles");
         });
     });
-});
\ No newline at end of file
+});