Add New Class In Tailwind Css

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer components {
.btn-blue {
@apply py-2 px-4 bg-blue-500 text-white font-semibold rounded-lg shadow-md hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-400 focus:ring-opacity-75;
}
}