diff --git a/src/interface/static/css/main.css b/src/interface/static/css/main.css
index 55aba49..1243e0a 100755
--- a/src/interface/static/css/main.css
+++ b/src/interface/static/css/main.css
@@ -144,7 +144,7 @@ body {
     /*! border-left: 5px solid #292f35; */
     /*! border-right: 5px solid #292f35; */
     /* border-right: 1px solid; */
-    background: linear-gradient(to right, #333 51%, #7d7a7ad6 181%);
+    background: linear-gradient(to right, #333 51%, #7d7a7aed 181%);
 }
 
 .vert-nav-item {}
diff --git a/src/interface/templates/index.html b/src/interface/templates/index.html
index dc34864..1335ae4 100755
--- a/src/interface/templates/index.html
+++ b/src/interface/templates/index.html
@@ -73,7 +73,7 @@
                     <ul id="book_shelf">
                         {% for book in Books %}
                             <li class="shelf_item">
-                                <img alt="cover missing" src="data:image;base64,{{ book.cover | bin_2_img }}" class="book_thumb" />
+                                <img alt="cover missing" src="data:image;base64,{{ book.cover | bin_2_img }}" class="book_thumb" onerror="this.src='/static/img/pysBook.png'"/>
                                 <ul class="book_details_list">
                                     <li class="book_title">{{ book.title }}</li>
                                     <li class="book_author">{{ book.author }}</li>