diff --git a/assets/index.css b/assets/index.css
new file mode 100644
index 0000000..ead1fef
--- /dev/null
+++ b/assets/index.css
@@ -0,0 +1,37 @@
+@media (prefers-color-scheme: dark) {
+    * {
+        background-color: black;
+        color: white;
+    }
+}
+
+@media (prefers-color-scheme: light) {
+    * {
+        background-color: white;
+        color: black;
+    }
+}
+
+h1, h2, h3 {
+    font-family: DM Sans;
+}
+
+body {
+    font-family: DM Sans;
+    padding: 1%;
+    font-size: 18px;
+    max-width: 40em;
+    margin: auto;
+    width: 50%;
+    border: 10px solid lightgrey;
+    border-radius: 5px;
+}
+
+#waves {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    z-index: -1;
+}