diff --git a/dzgui/data/app.css b/dzgui/data/app.css
new file mode 100644
index 0000000..a2346a8
--- /dev/null
+++ b/dzgui/data/app.css
@@ -0,0 +1,33 @@
+.invalid-entry {
+    border-color: red;
+}
+.frame {
+    border: 0px;
+}
+.toast-label {
+    background-color: black;
+    border: 1px solid white;
+}
+.frame > border {
+    border-radius: 5px;
+    padding: 5px;
+}
+.page-heading {
+    font-size: 1.5rem;
+    font-weight: 800;
+    margin-bottom: 0.5rem;
+}
+.settings-subheading {
+    font-size: 1.2rem;
+    font-weight: 700;
+}
+.left-label {
+    font-size: 1.3rem;
+}
+.details-heading {
+    font-size: 1.2rem
+}
+.preconnect-heading {
+    font-size: 1.2rem;
+    font-weight: 800;
+}