diff --git a/tapisproject_cms/src/taccsite_cms/templates/assets_custom.html b/tapisproject_cms/src/taccsite_cms/templates/assets_custom.html
new file mode 100644
index 00000000..2ccaacb6
--- /dev/null
+++ b/tapisproject_cms/src/taccsite_cms/templates/assets_custom.html
@@ -0,0 +1,22 @@
+{# This template overwrites the original from TACC/Core-CMS #}
+{# NOTE: This should extend taccsite_cms via taccsite_custom, not overwrite #}
+{# FAQ: To extend, via app template inheritance, see TACC/Core-CMS#492 #}
+
+
+
+{# COPIED FROM CORE #}
+{# https://github.com/TACC/Core-CMS/blob/c8844e1/taccsite_cms/templates/assets_custom.html #}
+
+{% load static %}
+
+<!-- Custom Site Assets: Favicon. -->
+{% with settings.FAVICON as favicon %}
+<link rel="icon" href="{% static favicon.img_file_src %}" type="image/x-icon" />
+{% endwith %}
+
+
+
+{# NEW CODE #}
+
+<!-- To style old CMS content on new CMS -->
+<link rel="stylesheet" href="{% static 'tapisproject_cms/css/migrate.to-v3.css' %}">
diff --git a/tapisproject_cms/src/taccsite_custom/tapisproject_cms/static/tapisproject_cms/css/migrate.to-v3.css b/tapisproject_cms/src/taccsite_custom/tapisproject_cms/static/tapisproject_cms/css/migrate.to-v3.css
new file mode 100644
index 00000000..637e63fa
--- /dev/null
+++ b/tapisproject_cms/src/taccsite_custom/tapisproject_cms/static/tapisproject_cms/css/migrate.to-v3.css
@@ -0,0 +1,41 @@
+/* TAPIS upgrade to v3.11.4 revealed UI bugs.
+    The typical v1_v2 migration did not help;
+    the result was very different from prod.
+    So just fix major discrepencies found in:
+    https://confluence.tacc.utexas.edu/x/_YqkEQ */
+
+
+
+/* BOOTSTRAP */
+
+/* To override TACC :root color with Bootstrap color only where necessary */
+a {
+  --global-color-link-on-light--normal: #007bff;
+}
+a:hover {
+  --global-color-link-on-light--normal: #0056b3;
+}
+
+/* To restore font size of buttons (whose text appeared smaller than before) */
+/* https://tapis-project.org/documentation/ */
+.btn {
+  font-size: 16px; /* Bootstrap: 1rem (browser default 16px) | TACC: html 10px. */
+}
+
+/* To restore darker text */
+body {
+  color: #212529; /* Bootstrap: #212529 | TACC: var(--global-color-primary--x-dark) */
+}
+
+/* To restore table styles */
+table {
+  border-collapse: collapse; /* Bootstrap: collapse | TACC: separate */
+}
+:is(td,th) {
+  color: usnet; /* Bootstrap: none (inherit) | TACC: var(--global-color-primary--dark) */
+}
+/* FAQ: Did not restore, because it makes table easier to scan *//*
+tr:nth-child(2n) :is(th,td) {
+  background: unset; /* Bootstrap: none (inherit) | TACC: var(--global-color-primary--x-light) *\/
+}
+*/