.pre-btn,
  .nxt-btn {
    border: none;
    width: 10vw;
    height: 100%;
    position: absolute;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(90deg, rgba(0, 50, 88, 0) 0%, #003258 100%);
    cursor: pointer;
    z-index: 8;
  }
  .product-card {
    flex: 0 0 auto;
    width: 250px;
    height: 450px;
    margin-right: 40px;
    
}