feat: improve templates

public/style.css

@@ -0,0 +1,33 @@
+html, body {
+    background-color: #050505;
+    color: #FFFFFF;
+    width: 100vw;
+    height: 100vh;
+    margin: 0;
+    padding: 0;
+}
+
+body {
+    font-family: sans-serif;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+
+h1 {
+    font-size: 10rem;
+}
+
+p {
+    font-size: 1.5rem;
+}
+
+.error-msg {
+    font-size: 0.8rem;
+    position: fixed;
+    bottom: 10px;
+    left: 0;
+    width: 100vw;
+    text-align: center;
+    color: #888888;
+}