diff --git a/admin_interface/static/admin_interface/css/ckeditor.css b/admin_interface/static/admin_interface/css/ckeditor.css
deleted file mode 100644
index 952120c..0000000
--- a/admin_interface/static/admin_interface/css/ckeditor.css
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
-ckeditor + light theme
-https://github.com/Ikimea/ckeditor-light-theme
-*/
-
-.admin-interface .cke {
-    border: none;
-    box-sizing: border-box;
-    -moz-box-sizing: border-box;
-    -webkit-box-sizing: border-box;
-}
-
-.admin-interface .cke_inner,
-.admin-interface .cke_wysiwyg_frame {
-    border-top-left-radius: 4px;
-    border-top-right-radius: 4px;
-    border-bottom-left-radius: 4px;
-    border-bottom-right-radius: 4px;
-}
-
-.admin-interface .cke_inner {
-    border: 1px solid #CCCCCC;
-}
-
-.admin-interface .cke_chrome {
-    -moz-box-shadow: none;
-    -webkit-box-shadow: none;
-    box-shadow: none;
-}
-
-.admin-interface .cke_top {
-    background: #f8f8f8;
-    border-top: none;
-    border-top-left-radius: 4px;
-    border-top-right-radius: 4px;
-    border-bottom: 1px solid #EEEEEE;
-    padding-left: 10px;
-    padding-right: 10px;
-    -moz-box-shadow: none;
-    -webkit-box-shadow: none;
-    box-shadow: none;
-}
-
-.admin-interface .cke_toolgroup {
-    background: none;
-    -moz-box-shadow: none;
-    -webkit-box-shadow: none;
-    box-shadow: none;
-}
-
-.admin-interface .cke_bottom {
-    background: #f8f8f8;
-    border-top: 1px solid #EEEEEE;
-
-    border-bottom-left-radius: 4px;
-    border-bottom-right-radius: 4px;
-
-    -moz-box-shadow: none;
-    -webkit-box-shadow: none;
-    box-shadow: none;
-}
-
-.admin-interface .cke_source {
-    padding: 13px 15px;
-    box-sizing: border-box;
-}
-
-.admin-interface a.cke_button,
-.admin-interface a.cke_button:active,
-.admin-interface a.cke_button:hover,
-.admin-interface a.cke_button:focus {
-    box-shadow: none;
-    -moz-box-shadow: none;
-    -webkit-box-shadow: none;
-    background-image: none;
-    border-radius: 4px;
-    border: none;
-}
-
-.admin-interface a.cke_button:active,
-.admin-interface a.cke_button:hover,
-.admin-interface a.cke_button:focus {
-    background-color: #E8E8E8 !important;
-}
-
-.admin-interface a.cke_button.cke_button_on {
-    background-color: #CCCCCC !important;
-}
-
-.admin-interface a.cke_button.cke_button_disabled {
-    background-color: transparent !important;
-}
-
-.admin-interface .cke_resizer {
-    border-color: transparent #666666 transparent transparent;
-}
-
-@media (max-width: 767px){
-
-    .admin-interface .django-ckeditor-widget,
-    .admin-interface .cke {
-        width: 100% !important;
-    }
-
-    .admin-interface .cke_top {
-        padding-left: 10px;
-        padding-right: 10px;
-    }
-
-    .admin-interface .cke_toolbar {
-        height: auto;
-    }
-
-    .admin-interface .cke_contents {
-        height: auto;
-    }
-
-    .admin-interface .tabular .django-ckeditor-widget,
-    .admin-interface .tabular .cke {
-        width: 400px !important;
-    }
-
-    .admin-interface .tabular .cke_contents {
-        height: 90px !important;
-    }
-}
diff --git a/admin_interface/static/admin_interface/css/form-controls.css b/admin_interface/static/admin_interface/css/form-controls.css
deleted file mode 100644
index 4307367..0000000
--- a/admin_interface/static/admin_interface/css/form-controls.css
+++ /dev/null
@@ -1,95 +0,0 @@
-/* sticky pagination */
-
-.admin-interface.sticky-pagination.change-list #content-main {
-    padding-bottom: 4.375rem;
-}
-
-.admin-interface.sticky-pagination.change-list .paginator {
-    width: 100%;
-    position: fixed;
-    bottom: 0;
-    right: 0;
-    z-index: 40;
-    box-sizing: border-box;
-    padding-left: 15px;
-    padding-right: 15px;
-    white-space: nowrap;
-    text-overflow: ellipsis;
-    border-radius: 0;
-    border-top: 1px solid #EEEEEE !important;
-    border-bottom: none;
-    margin: 0;
-}
-
-.admin-interface.sticky-pagination.change-list.popup .paginator {
-    padding-left: 20px;
-    padding-right: 20px;
-}
-
-@media (min-width:768px) {
-    .admin-interface.sticky-pagination.change-list:not(.popup) .paginator {
-        padding-left: 30px;
-        padding-right: 30px;
-    }
-}
-
-@media (min-width:1024px) {
-    .admin-interface.sticky-pagination.change-list:not(.popup) .paginator {
-        padding-left: 40px;
-        padding-right: 40px;
-    }
-}
-
-@media (min-width:1280px) {
-    .admin-interface.sticky-pagination.change-list:not(.popup) #main.shifted > #nav-sidebar + .content .paginator {
-        width: calc(100% - 360px);
-    }
-}
-
-/* sticky submit */
-
-@media (min-width:768px) {
-    .admin-interface.sticky-submit.change-form #content-main {
-        padding-bottom: 4.375rem;
-    }
-
-    .admin-interface.sticky-submit.change-form .submit-row:last-of-type {
-        width: 100%;
-        position: fixed;
-        bottom: 0;
-        right: 0;
-        z-index: 40;
-        box-sizing: border-box;
-        padding-left: 15px;
-        padding-right: 15px;
-        white-space: nowrap;
-        text-overflow: ellipsis;
-        border-radius: 0;
-        border-top: 1px solid #EEEEEE;
-        border-bottom: none !important;
-        margin: 0;
-    }
-
-    .admin-interface.sticky-submit.change-form.popup .submit-row:last-of-type {
-        padding-left: 20px;
-        padding-right: 20px;
-    }
-
-    .admin-interface.sticky-submit.change-form:not(.popup) .submit-row:last-of-type {
-        padding-left: 30px;
-        padding-right: 30px;
-    }
-}
-
-@media (min-width:1024px) {
-    .admin-interface.sticky-submit.change-form:not(.popup) .submit-row:last-of-type {
-        padding-left: 40px;
-        padding-right: 40px;
-    }
-}
-
-@media (min-width:1280px) {
-    .admin-interface.sticky-submit.change-form:not(.popup) #main.shifted > #nav-sidebar + .content .submit-row:last-of-type {
-        width: calc(100% - 359px);
-    }
-}
diff --git a/admin_interface/static/admin_interface/css/import-export.css b/admin_interface/static/admin_interface/css/import-export.css
deleted file mode 100644
index 8ea0a09..0000000
--- a/admin_interface/static/admin_interface/css/import-export.css
+++ /dev/null
@@ -1,7 +0,0 @@
-/* Fix left/right scrolling broken with django-import-export #165 */
-.admin-interface table.import-preview {
-    display: block;
-    width: 100%;
-    max-width: 100%;
-    overflow: auto;
-}
diff --git a/admin_interface/static/admin_interface/css/json-widget.css b/admin_interface/static/admin_interface/css/json-widget.css
deleted file mode 100644
index e0a999d..0000000
--- a/admin_interface/static/admin_interface/css/json-widget.css
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-django-json-widget support
-https://github.com/jmrivas86/django-json-widget
-*/
-
-.admin-interface div.jsoneditor {
-    border: 1px solid var(--admin-interface-module-background-color);
-    border-radius: var(--admin-interface-jsoneditor-border-radius);
-    overflow: var(--admin-interface-jsoneditor-overflow);
-}
-
-.admin-interface div.jsoneditor-menu {
-    background-color: var(--admin-interface-module-background-color);
-    border-bottom: 1px solid var(--admin-interface-module-background-color);
-}
-
-.admin-interface div.jsoneditor-menu a.jsoneditor-poweredBy {
-    color: var(--admin-interface-module-link-color);
-}
-
-.admin-interface div.jsoneditor-contextmenu ul li button.jsoneditor-selected,
-.admin-interface div.jsoneditor-contextmenu ul li button.jsoneditor-selected:focus,
-.admin-interface div.jsoneditor-contextmenu ul li button.jsoneditor-selected:hover {
-    background-color: var(--admin-interface-module-background-selected-color);
-    color: #000000;
-    font-weight: bold;
-}
diff --git a/admin_interface/static/admin_interface/css/modeltranslation.css b/admin_interface/static/admin_interface/css/modeltranslation.css
deleted file mode 100644
index 9e1890b..0000000
--- a/admin_interface/static/admin_interface/css/modeltranslation.css
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
-django-modeltranslation support
-https://github.com/deschler/django-modeltranslation
-*/
-
-.admin-interface #content h1 select {
-    text-transform: uppercase;
-    margin-left: 15px;
-    min-width: 50px;
-}
-
-.admin-interface .ui-tabs .ui-tabs-panel[id^=tab_id_] {
-    border: none;
-    border-top: 1px solid #eeeeee;
-    padding: 0;
-    margin-bottom: 0;
-}
diff --git a/admin_interface/static/admin_interface/css/rangefilter.css b/admin_interface/static/admin_interface/css/rangefilter.css
deleted file mode 100644
index 25b4f0b..0000000
--- a/admin_interface/static/admin_interface/css/rangefilter.css
+++ /dev/null
@@ -1,25 +0,0 @@
-.admin-interface #changelist-filter .admindatefilter {
-    border-bottom: 1px solid var(--hairline-color);
-}
-
-.admin-interface #changelist-filter .admindatefilter .button,
-.admin-interface #changelist-filter .admindatefilter .submit-row input,
-.admin-interface #changelist-filter .admindatefilter a.button,
-.admin-interface #changelist-filter .admindatefilter input[type="submit"],
-.admin-interface #changelist-filter .admindatefilter input[type="button"],
-.admin-interface #changelist-filter .admindatefilter input[type="reset"] {
-    background: var(--admin-interface-module-background-color);
-    color: var(--admin-interface-module-link-color);
-    padding: 6px 10px;
-    font-size: 12px;
-    margin-right: 4px;
-}
-
-.admin-interface #changelist-filter .admindatefilter .button:hover,
-.admin-interface #changelist-filter .admindatefilter .submit-row input:hover,
-.admin-interface #changelist-filter .admindatefilter a.button:hover,
-.admin-interface #changelist-filter .admindatefilter input[type="submit"]:hover,
-.admin-interface #changelist-filter .admindatefilter input[type="button"]:hover,
-.admin-interface #changelist-filter .admindatefilter input[type="reset"]:hover {
-    color: var(--admin-interface-module-link-hover-color);
-}
diff --git a/admin_interface/static/admin_interface/css/sorl-thumbnail.css b/admin_interface/static/admin_interface/css/sorl-thumbnail.css
deleted file mode 100644
index 44c6190..0000000
--- a/admin_interface/static/admin_interface/css/sorl-thumbnail.css
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
-sorl-thumbnail - improved AdminImageMixin widget layout
-https://github.com/mariocesar/sorl-thumbnail
-*/
-
-.admin-interface a.thumbnail + a {
-    font-weight: normal;
-}
-
-.admin-interface a.thumbnail + a + input[type="checkbox"] {
-    margin: 10px 0px 10px 18px;
-}
-
-@media (max-width: 767px){
-    .admin-interface a.thumbnail + a {
-        display: block;
-        margin-top: 3px;
-        white-space: pre-wrap;
-        word-break: break-word;
-    }
-    .admin-interface a.thumbnail + a + input[type="checkbox"]  {
-        margin: 15px 0;
-    }
-}
-
-.admin-interface a.thumbnail ~ label {
-    color: #333;
-    font-size: 11px;
-    display: inline;
-    float: none;
-    margin-left: 2px;
-}
-
-.admin-interface.change-form div[style="float:left"] {
-    font-size: 11px;
-    font-weight: bold;
-    color: #666;
-    margin-bottom: 5px;
-}
-
-@media (max-width: 767px){
-    .admin-interface.change-form div[style="float:left"] {
-        font-size: 12px;
-        width: 100%;
-    }
-}
-
-.admin-interface .aligned .form-row a.thumbnail ~ input[type="file"] {
-    margin-top: 0px;
-}
-
-@media (max-width:767px){
-    .admin-interface .aligned .form-row a.thumbnail ~ input[type="file"] {
-        width: auto;
-        padding: 0px;
-        display: block;
-        margin-top: 3px;
-    }
-
-    .admin-interface div[style="float:left"] {
-        margin-bottom: 0px;
-    }
-
-    .admin-interface div[style="float:left"] + div.help {
-        margin-top: 0px !important;
-    }
-}
diff --git a/admin_interface/static/admin_interface/css/streamfield.css b/admin_interface/static/admin_interface/css/streamfield.css
deleted file mode 100644
index 71ce2db..0000000
--- a/admin_interface/static/admin_interface/css/streamfield.css
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
-django-streamfield support
-https://github.com/raagin/django-streamfield/
-*/
-
-.admin-interface .form-row.field-stream {
-    margin: 0;
-    padding: 0;
-    border-bottom: none;
-}
-
-.admin-interface .form-row.field-stream label[for=id_stream] {
-    display: none;
-}
-
-.admin-interface .streamfield_app {
-    clear: both;
-    width: 100%;
-}
-
-.admin-interface .streamfield_app .stream-help-text {
-    margin-bottom: 15px;
-    display: flex;
-    flex-direction: column;
-    clear: both;
-}
-
-.admin-interface .streamfield_app .stream-help-text .stream-help-text__title {
-    align-self: flex-end;
-    user-select: none;
-    padding: 8px;
-    padding-right: 0;
-    color: var(--admin-interface-generic-link-color);
-}
-
-.admin-interface .streamfield_app .stream-help-text .stream-help-text__title:hover {
-    color: var(--admin-interface-generic-link-hover-color);
-}
-
-.admin-interface .streamfield_app .stream-help-text .stream-help-text__content {
-    background: var(--admin-interface-module-background-selected-color);
-    border-radius: var(--admin-interface-module-border-radius);
-    border: 1px solid rgba(0,0,0,0.1);
-    padding: 15px;
-}
-
-.admin-interface .streamfield_app .stream-help-text .stream-help-text__content > ul {
-    margin: 0;
-    padding: 0;
-}
-
-.admin-interface .streamfield_app .collapse-handler {
-    user-select: none;
-    padding: 8px;
-    padding-right: 0;
-    margin: 0 0 5px 0;
-    color: var(--admin-interface-generic-link-color);
-    text-decoration: none;
-}
-
-.admin-interface .streamfield_app .collapse-handler:hover {
-    color: var(--admin-interface-generic-link-hover-color);
-    text-decoration: none;
-}
-
-.admin-interface .streamfield_app .stream-model-block {
-    position: relative;
-    box-shadow: none;
-    border: 1px solid rgba(0,0,0,0.1);
-    border-radius: var(--admin-interface-module-border-radius);
-    overflow: hidden;
-}
-
-.admin-interface .streamfield_app .stream-model-block,
-.admin-interface .streamfield_app .streamfield-models.collapsed .stream-model-block {
-    margin-bottom: 10px;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title {
-    display: flex;
-    flex-direction: row;
-    justify-content: space-between;
-    align-items: center;
-    margin: 0;
-    padding: 10px 10px 10px 20px;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title span {
-    font-size: 18px;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle {
-    position: static;
-    right: 0;
-    top: 0;
-    color: var(--admin-interface-generic-link-color);
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle:hover {
-    color: var(--admin-interface-generic-link-hover-color);
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle {
-    display: flex;
-    justify-content: center;
-    align-items: center;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle .block-move,
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle .block-delete {
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    width: 40px;
-    height: 40px;
-    font-weight: normal;
-    background: none;
-    flex-shrink: 0;
-    color: inherit;
-    font-size: 16px;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle .block-move {
-    cursor: move; /* fallback if grab cursor is unsupported */
-    cursor: grab;
-    cursor: -moz-grab;
-    cursor: -webkit-grab;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle .block-move:before {
-    content: "↕";
-
-    display: block;
-}
-
-.admin-interface .streamfield_app .stream-model-block .streamblock__block__title .streamblock__block-handle .block-delete:before {
-    content: "×";
-    display: block;
-    font-size: 18px;
-}
-
-.admin-interface .streamfield_app .block-fields > div {
-    margin-bottom: 15px;
-}
-
-.admin-interface .streamfield_app .stream-model-block .stream-model-block__content {
-    background-color: #f8f8f8;
-    padding: 20px;
-}
-
-.admin-interface .streamfield_app .stream-model-block .stream-model-block__content.no-subblocks.abstract-block  {
-    display: none;
-}
-
-.admin-interface .streamfield_app .stream-insert-new-block {
-    margin-bottom: 20px;
-}
-
-.admin-interface .streamfield_app .stream-insert-new-block .add-new-block-button {
-    color: var(--admin-interface-generic-link-color);
-    text-decoration: none;
-}
-
-.admin-interface .streamfield_app .stream-insert-new-block .add-new-block-button:hover {
-    color: var(--admin-interface-generic-link-hover-color);
-    text-decoration: none;
-}
-
-.admin-interface .streamfield_app .stream-insert-new-block ul {
-    display: block;
-    width: 100%;
-    margin: 10px 0 0 0;
-    padding: 0;
-    user-select: none;
-}
-
-.admin-interface .streamfield_app .stream-insert-new-block ul li {
-    display: inline-block;
-    font-size: 12px;
-    margin: 0;
-    padding: 0;
-}
-
-.admin-interface .streamfield_app .stream-btn {
-    font-weight: normal;
-    text-decoration: none;
-    background-color: var(--admin-interface-generic-link-color);
-    padding: 6px 12px;
-    border-radius: 4px;
-}
-
-.admin-interface .streamfield_app .stream-btn:hover {
-    text-decoration: none;
-    background-color: var(--admin-interface-generic-link-hover-color);
-}
-
-.admin-interface .streamfield_app .stream-insert-new-block ul li .stream-btn {
-    margin-top: 5px;
-    margin-left: 5px;
-}
diff --git a/admin_interface/static/admin_interface/css/tabbed-admin.css b/admin_interface/static/admin_interface/css/tabbed-admin.css
deleted file mode 100644
index 010296c..0000000
--- a/admin_interface/static/admin_interface/css/tabbed-admin.css
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-django-tabbed-admin support
-https://github.com/omji/django-tabbed-admin
-*/
-
-/* Hide tabs until ready */
-/*
-.admin-interface #tabs ul {
-    display: none;
-}
-
-.admin-interface #tabs ul.ui-tabs-nav {
-    display: block;
-}
-*/
-
-.admin-interface .ui-tabs .ui-tabs-panel[id^=tabs] .module.aligned:last-child {
-    margin-bottom: 0;
-}
-
-.admin-interface .ui-tabs .ui-tabs-panel[id^=tabs] .module.aligned:last-child .form-row:last-child {
-    border-bottom: none;
-}
-
-@media (max-width: 350px){
-    .admin-interface .ui-tabs .ui-tabs-panel[id^=tabs] .vTextField,
-    .admin-interface .inline-related .vTextField {
-        width: 17em;
-    }
-}
-
-@media (max-width: 767px){
-    /* fix horizontal overflow - responsive.css:563 */
-    .admin-interface .ui-tabs .ui-tabs-panel[id^=tabs] .aligned .form-row > div:not([class]) {
-        width: 100% !important;
-    }
-}
diff --git a/admin_interface/static/admin_interface/css/tinymce.css b/admin_interface/static/admin_interface/css/tinymce.css
deleted file mode 100644
index 76ed1b4..0000000
--- a/admin_interface/static/admin_interface/css/tinymce.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.admin-interface textarea.tinymce ~ p.help {
-    margin-top:5px !important;
-}