Add basic application.css

app/assets/stylesheets/application.css

@@ -0,0 +1,25 @@
+/*
+ * This is the main application stylesheet for your Rails 7.1 application.
+ * Add your custom styles here or import other stylesheets as needed.
+ */
+
+/* Reset default browser styles */
+html, body, div, span, applet, object, iframe,
+h1, h2, h3, h4, h5, h6, p, blockquote, pre,
+a, abbr, acronym, address, big, cite, code,
+del, dfn, em, img, ins, kbd, q, s, samp,
+small, strike, strong, sub, sup, tt, var,
+b, u, i, center,
+dl, dt, dd, ol, ul, li,
+fieldset, form, label, legend,
+table, caption, tbody, tfoot, thead, tr, th, td {
+    margin: 0;
+    padding: 0;
+    border: 0;
+    outline: 0;
+    font-size: 100%;
+    vertical-align: baseline;
+    background: transparent;
+}
+
+/* Add your custom styles below */