spaces between container to each div class

HI Team

I want to create a spaces in between div class container, below is my css style and div class.

/css file

img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-bottom: 20px; /* add margin to create space between images */
}

@media (min-width: 768px) {
  picture {
    width: 100%;
    height: 100%;
  }
}

// div classes

<div id="feauture-store">
  <div class="box py-4">
    <div class="container">
      <div class="row">
        <div class="col-md-9">
          <h2 class="mb-0">Discounted Deals</h2>
          <div class="container">
            <div class="row">
              <div class="col-md-6 text-center">
                <picture>
                  <source media="(min-width: 68px)" srcset="img/deal2.png">
                  <img src="img/deal2.png" alt="">
                </picture>
              </div>
              <div class="col-md-6 text-center">
                <picture>
                  <source media = "(min-width:68px)" srcset="img/deal3.png">
                  <img src="img/deal3.png" alt="">
                </picture>
                
              </div>
              
            </div>
          </div>
          </div>
        </div>
        </div>
        </div>
        </div>