Add css file for document search

app/javascript/src/application/document-search.scss

@@ -0,0 +1,27 @@
+.advanced-search-box {
+    padding: 20px;
+    background: #525962;
+
+    input {
+        margin-bottom: 20px;
+    }
+}
+.no-search-body {
+    padding-top: 70px;
+
+    .label-no-search {
+        font-size: 30px;
+        font-weight: 700;
+    }
+
+    .search-doc-icon {
+        width: 157px;
+    }
+}
+
+hr.simple {
+    border: 1px dotted #000;
+    border-style: none none dotted;
+    color: #fff;
+    background-color: #fff;
+}