Move styles into a separate stylesheet

vuejs/src/assets/css/tailwind.css

@@ -0,0 +1,23 @@
+@tailwind base;
+
+h1,
+h2 {
+  @apply font-semibold
+}
+
+input,
+textarea {
+  @apply w-full border border-gray-400 p-2 mt-1
+}
+
+input[type=submit] {
+  @apply w-full;
+
+  @screen sm {
+    @apply w-auto
+  }
+}
+
+@tailwind components;
+
+@tailwind utilities;