diff --git a/src/main/webapp/css/app.css b/src/main/webapp/css/app.css
deleted file mode 100644
index a866f116..00000000
--- a/src/main/webapp/css/app.css
+++ /dev/null
@@ -1,289 +0,0 @@
-.pointer {
-  cursor: pointer;
-}
-
-.bs-fb ul {
-  margin-bottom: 0px;
-}
-
-.horizontal-align {
-  padding-top: 5px;
-  line-height: 20px;
-}
-
-.welcome .header {
-  margin: 20px 0 40px 0;
-}
-
-.main .spinner {
-  display: inline-block;
-  margin-left: 11px;
-  top: -4px;
-}
-
-.icon {
-  width: 14px;
-  height: 14px;
-  display: block;
-}
-
-.main .dropdown-menu a {
-  cursor: pointer;
-}
-
-.favicon {
-  width: 16px;
-  height: 16px;
-}
-
-/* admin */
-.admin .users-table {
-  height: 400px;
-}
-
-.toolbar {
-  padding-top: 10px;
-  padding-bottom: 10px;
-  width: 100%;
-  z-index: 10;
-  position: fixed;
-  background-color: #FFF;
-}
-
-.toolbar .donate {
-  display: inline-block;
-}
-
-.entryList {
-  padding-top: 50px;
-}
-
-/* entry list*/
-.entrylist-header {
-  border-bottom: 1px solid #eeeeee;
-}
-
-.entrylist-header h3 {
-  margin: 0;
-}
-
-.entry-header, .entry-body-content {
-  padding-left: 25px;
-}
-
-#feed-accordion .entry {
-  border-bottom: 1px solid #cccccc;
-}
-
-#feed-accordion .no-entries {
-  text-align: center;
-  font-weight: bold;
-  margin-top: 80px;
-}
-
-#feed-accordion .entry-heading {
-  height: 20px;
-  display: block;
-  color: black;
-  cursor: pointer;
-  padding: 6px 0px;
-}
-
-#feed-accordion .entry-heading .feed-name {
-  color: #555;
-  display: block;
-  overflow: hidden;
-  white-space: nowrap;
-  position: absolute;
-  width: 145px;
-  text-overflow: ellipsis;
-}
-
-#feed-accordion .entry-heading .entry-name {
-  display: block;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-  margin-right: 100px;
-}
-
-#feed-accordion .entry-heading .shrink {
-  margin-left: 150px;
-}
-
-#feed-accordion .entry-heading .entry-date {
-  display: block;
-  position: absolute;
-  right: 20px;
-}
-
-#feed-accordion a.entry-heading:hover {
-  text-decoration: none;
-}
-
-#feed-accordion .open {
-  background-color: #EBEBEB;
-}
-
-#feed-accordion .closed:hover {
-  background-color: #EBEBEB;
-}
-
-#feed-accordion .entry-heading .unread {
-  font-weight: bold;
-}
-
-#feed-accordion .entry-body h4 {
-  margin-top: 5px;
-}
-
-#feed-accordion .entry-body-content {
-  max-width: 650px;
-}
-
-#feed-accordion .entry-buttons {
-  background-color: #fafafa;
-  padding: 3px 0px;
-  border-top: 1px solid #ebebeb;
-}
-
-#feed-accordion .entry-buttons .checkbox.inline {
-  padding-top: 0px;
-}
-
-#feed-accordion .share-buttons a {
-  color: #333333;
-  padding-left: 5px;
-}
-
-#feed-accordion .share-buttons a:hover {
-  text-decoration: none;
-}
-
-#feed-accordion .entry-buttons label {
-  margin-bottom: 0px;
-  font-size: 12px;
-}
-
-#feed-accordion .star {
-  text-decoration: none;
-  padding: 0px 5px;
-}
-
-#feed-accordion .icon-star-yellow {
-  color: gold;
-  text-shadow: -1px 0 black, 0 1px black, 1px 0 black, 0 -1px black;
-}
-
-#feed-accordion .icon-star-empty {
-  color: #555;
-}
-
-#feed-accordion.expanded .entry {
-  margin-bottom: 50px;
-  border-top: 1px solid #ebebeb;
-  border-left: 1px solid transparent;
-}
-
-#feed-accordion.expanded .current {
-  border-left: 1px solid blue;
-}
-
-/* tree*/
-.sidebar-nav-fixed {
-  margin-top: 10px;
-  position: fixed;
-  top: 0;
-  bottom: 0;
-  width: 16%;
-  overflow: auto;
-}
-
-.css-treeview {
-  margin-top: 15px;
-  font-family: inherit;
-  font-size: 12px;
-  white-space: nowrap;
-}
-
-.css-treeview ul {
-  list-style: none;
-  margin-left: 0px;
-}
-
-.css-treeview li {
-  line-height: 20px;
-}
-
-.css-treeview .fldr {
-  cursor: pointer;
-  display: inline-block;
-  width: 14px;
-  height: 14px;
-  line-height: 14px;
-  vertical-align: text-top;
-  margin-top: 1px;
-}
-
-.css-treeview .error {
-  color: red;
-  font-style: italic;
-}
-
-.css-treeview label {
-  overflow: hidden;
-  text-overflow: ellipsis;
-  display: block;
-  margin: 3px 0px 3px;
-}
-
-.css-treeview label, .css-treeview a, .css-treeview label::before {
-  font-family: inherit;
-  font-size: 12px;
-  white-space: nowrap;
-}
-
-.css-treeview .selected {
-  color: #d14836;
-}
-
-.css-treeview .unread {
-  font-weight: bold;
-}
-
-.css-treeview a {
-  cursor: pointer;
-  color: black;
-  display: block;
-  overflow: hidden;
-  text-overflow: ellipsis;
-}
-
-.css-treeview a:hover {
-  text-decoration: none;
-}
-
-.css-treeview li .tree-item:hover {
-  background-color: #EBEBEB;
-  text-decoration: none;
-}
-
-.css-treeview .indent1 {
-  padding-left: 22px;
-}
-
-.css-treeview .indent2 {
-  padding-left: 44px;
-}
-
-.css-treeview .indent3 {
-  padding-left: 66px;
-}
-
-.css-treeview .indent4 {
-  padding-left: 88px;
-}
-
-.css-treeview .indent5 {
-  padding-left: 110px;
-}