diff --git a/src/components/file_mode/ThumbnailView.vue b/src/components/file_mode/ThumbnailView.vue
index 2334231..cf11209 100644
--- a/src/components/file_mode/ThumbnailView.vue
+++ b/src/components/file_mode/ThumbnailView.vue
@@ -27,6 +27,7 @@
             v-if="pageVisibility[pageNum]"
             :source="doc"
             :page="pageNum"
+            :width="!util.isMobileOrTabletBrowser() ? 800 : undefined"
           />
         </div>
       </div>
@@ -52,6 +53,7 @@ import { Attachment } from "../../models/attachment";
 import ImageWithProgress from "../ImageWithProgress.vue";
 import VuePdfEmbed, { useVuePdfEmbed } from 'vue-pdf-embed';
 import { Source } from 'vue-pdf-embed/types';
+import util from "@/plugins/utils";
 
 function isEventAttachment(source: EventAttachment | Attachment | undefined): source is EventAttachment {
     return (source as EventAttachment)?.event !== undefined;
@@ -188,11 +190,14 @@ const { doc } = useVuePdfEmbed({
   source: pdfSource,
 });
 
+const initVuePdfEmbed = computed(()=> props.showInlinePDF && isPDF.value)
+
 const pageNums = computed(() =>
   doc.value ? [...Array(doc.value.numPages + 1).keys()].slice(1) : []
 );
 
 const resetPageIntersectionObserver = () => {
+  if(!initVuePdfEmbed.value) return
   pageIntersectionObserver?.disconnect()
   pageIntersectionObserver = new IntersectionObserver((entries) => {
     entries.forEach((entry) => {
@@ -212,17 +217,16 @@ const resetPageIntersectionObserver = () => {
 };
 
 watch(pageNums, (newPageNums) => {
+  if(!initVuePdfEmbed.value) return
   pageVisibility.value = { [newPageNums[0]]: true }
   pageRefs.value = []
   nextTick(resetPageIntersectionObserver)
 });
 
 watch(source, (newSource) => {
-    if (isPDF.value) {
-      pdfSource.value = newSource;
-    }
-  }
-);
+  if(!initVuePdfEmbed.value) return
+  pdfSource.value = isPDF.value ? newSource : null;
+});
 
 const loadingProgress = computed(() => {
   if (isEventAttachment(item)) {
@@ -283,8 +287,8 @@ onBeforeUnmount(() => {
 }
 
 .pdf-container {
-  padding: 24px 16px;
-  margin-top: 200px;
+  margin-top: 100px;
+  height: 100vh;
 
   & > * {
     margin: 30px auto 0 auto;