add button css

resources/css/app.css

@@ -1,3 +1,11 @@
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
+
+.btn {
+    @apply text-center text-white px-2 py-1 focus:outline-1 border border-white transition duration-300 ease-in-out shadow hover:shadow-lg rounded cursor-pointer disabled:opacity-50 disabled:cursor-not-allowed;
+}
+
+.btn-primary {
+    @apply btn bg-blue-700 border-blue-700 hover:bg-blue-800 focus:bg-blue-800;
+}