diff --git a/rollup.config.js b/rollup.config.js
index 05d01b5e56c700a04629bb6e323b92b7ed5d8853..141dbb28198eeb0e4fdaf33012eb691d7f8eed91 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -185,14 +185,15 @@ Dependencies:
                 emitFiles: true,
                 fileName: 'shared/[name].[hash][extname]',
             }),
-            appEnv == 'test' && copy({
-                targets: [
-                    {
-                        src: 'test/data/*',
-                        dest: 'dist/test',
-                    },
-                ]
-            }),
+            appEnv == 'test' &&
+                copy({
+                    targets: [
+                        {
+                            src: 'test/data/*',
+                            dest: 'dist/test',
+                        },
+                    ],
+                }),
             copy({
                 targets: [
                     {
diff --git a/src/dbp-official-signature-pdf-upload.js b/src/dbp-official-signature-pdf-upload.js
index 81575ab910c614713b390d938fd16272d19895e6..1a1e8f8c173e2fb4377f97e4a369478beb238fb0 100644
--- a/src/dbp-official-signature-pdf-upload.js
+++ b/src/dbp-official-signature-pdf-upload.js
@@ -317,7 +317,6 @@ class OfficialSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElem
             ${commonStyles.getButtonCSS()}
             ${commonStyles.getNotificationCSS()}
             ${SignatureStyles.getSignatureCss()}
-            
         `;
     }
 
@@ -428,7 +427,8 @@ class OfficialSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElem
                             <span class="bold-filename">${file.name}</span>
                             (${humanFileSize(file.contentSize)})
                         </span>
-                        <button class="button"
+                        <button
+                            class="button"
                             title="${i18n.t('official-pdf-upload.download-file-button-title')}"
                             @click="${() => {
                                 this.downloadFileClickHandler(file, 'file-block-' + id);
@@ -721,7 +721,7 @@ class OfficialSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElem
                                             : 0
                                     )})
                                 </div>
-                                <button 
+                                <button
                                     class="is-cancel annotation"
                                     @click="${this.hideAnnotationView}">
                                     <dbp-icon name="close" id="close-icon"></dbp-icon>
diff --git a/src/dbp-pdf-annotation-view.js b/src/dbp-pdf-annotation-view.js
index 2bf87ee3afa6f7022ecaf85bd8220962e06a1326..747196eb6fc7de020a02add56988a2f6a74fa905 100644
--- a/src/dbp-pdf-annotation-view.js
+++ b/src/dbp-pdf-annotation-view.js
@@ -248,9 +248,9 @@ export class PdfAnnotationView extends ScopedElementsMixin(DBPLitElement) {
 
             .border {
                 border-top: var(--dbp-border);
-                padding-bottom: .5em;
+                padding-bottom: 0.5em;
             }
-            
+
             .border-wrapper {
                 border: var(--dbp-border);
                 border-bottom-width: 0;
diff --git a/src/dbp-pdf-preview.js b/src/dbp-pdf-preview.js
index 51e48bbac9bfd960cd162a81f5a9f0fee3ac154f..306b49e6439e6b15878477386e3fd5fbf915dfd4 100644
--- a/src/dbp-pdf-preview.js
+++ b/src/dbp-pdf-preview.js
@@ -588,7 +588,7 @@ export class PdfPreview extends ScopedElementsMixin(DBPLitElement) {
             .nav-buttons > * {
                 margin: 2px;
             }
-            
+
             input[type='number'] {
                 border: var(--dbp-border);
                 padding: 0 0.3em;
@@ -617,17 +617,15 @@ export class PdfPreview extends ScopedElementsMixin(DBPLitElement) {
                 border: unset;
             }
 
-
-            input[type="number"]{
+            input[type='number'] {
                 background-color: var(--dbp-background);
             }
 
-            dbp-mini-spinner{
+            dbp-mini-spinner {
                 margin: auto;
                 display: block;
                 width: 17px;
             }
-
         `;
     }
 
diff --git a/src/dbp-qualified-signature-pdf-upload.js b/src/dbp-qualified-signature-pdf-upload.js
index d06fa3ac4345e3e1867492d3ba1bd8ece58e68ab..471d351c2598e618f1c800b36facfcad18b997ce 100644
--- a/src/dbp-qualified-signature-pdf-upload.js
+++ b/src/dbp-qualified-signature-pdf-upload.js
@@ -555,10 +555,11 @@ class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitEle
                 <div class="file-block" id="file-block-${id}">
                     <div class="header">
                         <span class="filename">
-                            <span class="bold-filename">${file.name}</span> 
+                            <span class="bold-filename">${file.name}</span>
                             (${humanFileSize(file.contentSize)})
                         </span>
-                        <button class="button"
+                        <button
+                            class="button"
                             title="${i18n.t('qualified-pdf-upload.download-file-button-title')}"
                             @click="${() => {
                                 this.downloadFileClickHandler(file, 'file-block-' + id);
@@ -873,8 +874,8 @@ class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitEle
                                             : 0
                                     )})
                                 </div>
-                                <button 
-                                    class="is-cancel annotation" 
+                                <button
+                                    class="is-cancel annotation"
                                     @click="${this.hideAnnotationView}">
                                     <dbp-icon name="close" id="close-icon"></dbp-icon>
                                 </button>
@@ -912,7 +913,7 @@ class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitEle
                                                 : 0
                                         )})
                                     </div>
-                                    <button 
+                                    <button
                                         class="is-cancel"
                                         title="${i18n.t(
                                             'qualified-pdf-upload.stop-signing-process-button'
diff --git a/src/dbp-signature-lit-element.js b/src/dbp-signature-lit-element.js
index 73e1a1f79441dcc8bc91a99bcc61efa706d077a4..6d30e7e4d4ab017013ff5cf2b70245a8df816952 100644
--- a/src/dbp-signature-lit-element.js
+++ b/src/dbp-signature-lit-element.js
@@ -381,7 +381,7 @@ export default class DBPSignatureLitElement extends BaseLitElement {
     /**
      * Convert files to binary async
      */
-    async convertFiles () {
+    async convertFiles() {
         let files = [];
 
         for (const file of this.signedFiles) {
@@ -394,7 +394,6 @@ export default class DBPSignatureLitElement extends BaseLitElement {
         return files;
     }
 
-
     /**
      * Open Filesink for multiple files
      */
diff --git a/src/dbp-signature-verification.js b/src/dbp-signature-verification.js
index 8d534c32fddfab4958fd6d3636c3a985b31872b7..cd41ff4d9af6dc901acdcac32c4daa6f9e1cf0b9 100644
--- a/src/dbp-signature-verification.js
+++ b/src/dbp-signature-verification.js
@@ -49,7 +49,6 @@ class SignatureVerification extends ScopedElementsMixin(DBPSignatureLitElement)
                 border-color: var(--dbp-content);
                 padding: 0;
             }
-            
 
             h2:first-child {
                 margin-top: 0;
diff --git a/src/styles.js b/src/styles.js
index ac1d8875cc476353dd307b2ba389bcdf8b9237e7..3a58264554a34e59f8c629d7571b4283b2d9e8a4 100644
--- a/src/styles.js
+++ b/src/styles.js
@@ -3,7 +3,6 @@ import {css} from 'lit';
 export function getSignatureCss() {
     // language=css
     return css`
-
         #annotation-view button.is-cancel {
             background: transparent;
             border: none;
@@ -103,11 +102,11 @@ export function getSignatureCss() {
         a > [name='close'] {
             font-size: 0.8em;
         }
-        
+
         a > [name='close'] {
             color: var(--dbp-accent);
         }
-        .button.close dbp-icon{
+        .button.close dbp-icon {
             margin-left: -2px;
         }
 
@@ -201,7 +200,7 @@ export function getSignatureCss() {
             font-size: 1.5rem;
             color: var(--dbp-accent);
             cursor: pointer;
-            padding: 0px 2px ;
+            padding: 0px 2px;
             margin-top: -5px;
         }
 
@@ -250,8 +249,8 @@ export function getSignatureCss() {
             margin-top: 2rem;
             /*padding-top: 2rem;*/
         }
-        
-        .border{
+
+        .border {
             border-top: var(--dbp-border);
             margin-top: 2rem;
             padding-top: 2rem;
diff --git a/test/unit.js b/test/unit.js
index 4b806d512ca14fb7b0d24bb2865022061af651bf..e81609c953d2108f23305fb67314475a52b3d587 100644
--- a/test/unit.js
+++ b/test/unit.js
@@ -68,7 +68,6 @@ suite('pdf signature detection', () => {
     });
 
     test('getPDFSignatureCount real files', async () => {
-
         async function getRealPDFFile(name) {
             let url = new URL('test/' + name, import.meta.url).href;
             let resp = await fetch(url);
@@ -76,8 +75,11 @@ suite('pdf signature detection', () => {
             return getPDFFile(await resp.arrayBuffer());
         }
 
-        assert.equal((await getPDFSignatureCount(await getRealPDFFile('QPDF-367-0.pdf'))), 1);
-        assert.equal((await getPDFSignatureCount(await getRealPDFFile('qual-sig-simple.pdf'))), 1);
-        assert.equal((await getPDFSignatureCount(await getRealPDFFile('qual-sig-tugraz-multiple.pdf'))), 2);
+        assert.equal(await getPDFSignatureCount(await getRealPDFFile('QPDF-367-0.pdf')), 1);
+        assert.equal(await getPDFSignatureCount(await getRealPDFFile('qual-sig-simple.pdf')), 1);
+        assert.equal(
+            await getPDFSignatureCount(await getRealPDFFile('qual-sig-tugraz-multiple.pdf')),
+            2
+        );
     });
 });