make responsive grid in tailwind css code example

Example 1: tailwind grid

<div class="grid grid-cols-3 gap-4">
  <div>1</div>
  <!-- ... -->
  <div>9</div>
</div>

Example 2: tailwind css image grid

########### Responsive Grids ###############

<div class="flex flex-wrap">
  <div class="w-full sm:w-1/2 md:w-1/3 lg:w-1/4 xl:w-1/6 mb-4 bg-gray-500"></div>
  <div class="w-full sm:w-1/2 md:w-1/3 lg:w-1/4 xl:w-1/6 mb-4 bg-gray-400"></div>
  <div class="w-full sm:w-1/2 md:w-1/3 lg:w-1/4 xl:w-1/6 mb-4 bg-gray-500"></div>
  <div class="w-full sm:w-1/2 md:w-1/3 lg:w-1/4 xl:w-1/6 mb-4 bg-gray-400"></div>
  <div class="w-full sm:w-1/2 md:w-1/3 lg:w-1/2 xl:w-1/6 mb-4 bg-gray-500"></div>
  <div class="w-full sm:w-1/2 md:w-1/3 lg:w-1/2 xl:w-1/6 mb-4 bg-gray-400"></div>
</div>