Added CSS for index search fields and revised regex for author search

app/assets/stylesheets/style.css.scss

@@ -489,6 +489,10 @@ blockquote p {
       padding: 4em 1em 1em;
     }
   }
+  .field_container_user {
+    .editor_field {
+    }
+  }
 }
 
 ul.dropdown-menu {
@@ -1043,3 +1047,20 @@ nav.pagination {
   border-radius: 0.2em;
   text-shadow: none;
 }
+
+.searchfield {
+  margin:0px;
+  height:40px;
+  display: inline-block;
+
+  .btn {
+    margin: 4px 1px 0 0;
+    padding: 6px;
+    cursor: default;
+    color: #fff;
+    border: none;
+    font-size: 12px;
+    line-height: normal;
+    background: #4096ee;
+  }
+}