diff --git a/assets/css/app.css b/assets/css/app.css
index 93510fe..e60966b 100644
--- a/assets/css/app.css
+++ b/assets/css/app.css
@@ -534,6 +534,25 @@ nav .active a {
     color: #666;
 }
 
+/* item preview full-content */
+.preview-full-content {
+    overflow: auto;
+    margin-bottom: 10px;
+    color: #666;
+}
+
+.preview-full-content p {
+    margin-top: 15px;
+    margin-bottom: 15px;
+}
+
+.preview-full-content img {
+    max-width: 100%;
+    display: block;
+    margin-top: 10px;
+    margin-bottom: 10px;
+}
+
 /* item */
 .item {
     padding-left: 5px;
diff --git a/templates/item.php b/templates/item.php
index 3f3580d..318578b 100644
--- a/templates/item.php
+++ b/templates/item.php
@@ -16,7 +16,7 @@
         ><?= Helper\escape($item['title']) ?></a>
     </h2>
     <?php if ($display_mode === 'full'): ?>
-        <div class="preview" <?= Helper\is_rtl($item) ? 'dir="rtl"' : 'dir="ltr"' ?>>
+        <div class="preview-full-content" <?= Helper\is_rtl($item) ? 'dir="rtl"' : 'dir="ltr"' ?>>
             <?= $item['content'] ?>
         </div>
     <?php else: ?>