diff --git a/css/details.css b/css/details.css
index 51777c2..593e03a 100644
--- a/css/details.css
+++ b/css/details.css
@@ -1427,7 +1427,7 @@
   color: #555555;
   line-height: 36px;
   position: relative;
-  background-image: url(/img/dotted-line.png);
+  background-image: url(/project/img/dotted-line.png);
   background-size: 100% 36px;
   background-repeat: repeat-y;
   background-position: 0 0;
@@ -1441,7 +1441,7 @@
   display: block;
   width: 100%;
   height: 1px;
-  background-image: url(/img/dotted-line.png);
+  background-image: url(/project/img/dotted-line.png);
   background-size: 100% 36px;
   background-repeat: repeat-y;
 }
diff --git a/css/details.less b/css/details.less
index a05714e..b15b572 100644
--- a/css/details.less
+++ b/css/details.less
@@ -1661,7 +1661,7 @@
                 color: #555555;
                 line-height: 36px;
                 position: relative;
-                background-image: url(/img/dotted-line.png);
+                background-image: url(/project/img/dotted-line.png);
                 background-size: 100% 36px;
                 background-repeat: repeat-y;
                 background-position: 0 0;
@@ -1675,7 +1675,7 @@
                     display: block;
                     width: 100%;
                     height: 1px;
-                    background-image: url(/img/dotted-line.png);
+                    background-image: url(/project/img/dotted-line.png);
                     background-size: 100% 36px;
                     background-repeat: repeat-y;
                 }