Example CSS for Quick Buy Mode

<style>
  
  .quick-buy-wrapper {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }

  .list-view-item {
    display: flex;
    justify-content: space-between;
    width: 100%;
    align-items: center;
    padding: 0.75em 0;
    border-top: 1px solid #ddd;
    transition: all 0.3s
  }

   .list-view-item:hover{
     background: #f3f3f3
   }

  .list-view-name-image {
    display: flex;
    align-items: center
  }

  .list-view-image {
     width: 70px;
     min-width: 70px;
  }
  
  .list-view-image img {
    display: block;
    width: 100%;
    height: auto;
  }

  .list-view-name {
    text-align: left;
    padding: 0 1em;
  }

  .list-view-name h3 {
    margin: 0;
    text-transform: none;
    font-weight: normal;
    font-size: 17px
  }

  .list-view-purchase {
    width: 70%
  }

 @media only screen and (max-width: 750px) {

   .list-view-item {
     align-items: flex-start;
   }
   
  .list-view-name-image {
    display: block;
    width: 30%;
    padding: 0 1em 0 0;
  }

  .list-view-image {
    width: 100%;
  }
  .list-view-image img {
    width: 100%;
    height: auto;
  }
  .list-view-name {
    text-align: left;
    padding: 1em 0 0;
  }
  .list-view-name h3 {
    font-size: 16px
  }
}

@media only screen and (max-width: 450px) {

   .list-view-item {
     align-items: flex-start;
     padding: 0.75em 0 1.5em 0;
   }
   
  .list-view-name-image {
    display: block;
    width: 30%;
    padding: 1em 1em 0 0;
  }
  .list-view-name {
    text-align: left;
    padding: 1em 0 0;
  }
}
  
</style>