buttons in tailwind css

<button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded-full">
  Button
</button>

<button type="button" class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mr-2 mb-2 dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800">Default</button>
<button type="button" class="py-2.5 px-5 mr-2 mb-2 text-sm font-medium text-gray-900 bg-white rounded-lg border border-gray-200 hover:bg-gray-100 hover:text-blue-700 focus:z-10 focus:ring-2 focus:ring-blue-700 focus:text-blue-700 dark:bg-gray-800 dark:text-gray-400 dark:border-gray-600 dark:hover:text-white dark:hover:bg-gray-700">Alternative</button>
<button type="button" class="text-white bg-gray-800 hover:bg-gray-900 focus:ring-4 focus:ring-gray-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mr-2 mb-2 dark:bg-gray-800 dark:hover:bg-gray-700 dark:focus:ring-gray-800 dark:border-gray-700">Dark</button>
<button type="button" class="text-gray-900 bg-white border border-gray-300 hover:bg-gray-100 focus:ring-4 focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mr-2 mb-2 dark:bg-gray-600 dark:text-white dark:border-gray-600 dark:hover:bg-gray-700 dark:hover:border-gray-700 dark:focus:ring-gray-800">Light</button>
<button type="button" class="text-white bg-green-700 hover:bg-green-800 focus:ring-4 focus:ring-green-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mr-2 mb-2 dark:bg-green-600 dark:hover:bg-green-700 dark:focus:ring-green-800">Green</button>
<button type="button" class="text-white bg-red-700 hover:bg-red-800 focus:ring-4 focus:ring-red-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mr-2 mb-2 dark:bg-red-600 dark:hover:bg-red-700 dark:focus:ring-red-900">Red</button>
<button type="button" class="text-white bg-yellow-400 hover:bg-yellow-500 focus:ring-4 focus:ring-yellow-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mr-2 mb-2 dark:focus:ring-yellow-900">Yellow</button>
<button type="button" class="text-white bg-purple-700 hover:bg-purple-800 focus:ring-4 focus:ring-purple-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center mb-2 dark:bg-purple-600 dark:hover:bg-purple-700 dark:focus:ring-purple-900">Purple</button>

<button class="bg-transparent hover:bg-blue-500 text-blue-700 font-semibold hover:text-white py-2 px-4 border border-blue-500 hover:border-transparent rounded">
  Button
</button>

<button class="bg-gray-300 hover:bg-gray-400 text-gray-800 font-bold py-2 px-4 rounded inline-flex items-center">
  <svg class="fill-current w-4 h-4 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M13 8V2H7v6H2l8 8 8-8h-5zM0 18h20v2H0v-2z"/></svg>
  <span>Download</span>
</button>