@media screen and (max-width: 900px) {
  /* --- CONTAINERS --- */

  .container_vertical {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
  }

  .center_content_left {
    text-align: left;
  }

  .account_modal_customer_left {
    width: 100%;
    margin: 0px;
    margin-bottom: 10px;
    border-radius: 0px;
  }

  .account_modal_customers_right {
    width: 100%;
    margin: 0px;
    border-radius: 0px;
  }

  .account_modal_customers_middle {
    width: 100%;
    margin: 0px;
    margin-top: 10px;
    margin-bottom: 10px;
  }

  .view-3d_container {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    margin-top: 0px;
  }

  /* --- LISTS --- */

  ul.a {
    font-size: 1.2rem;
  }

  .section_all_customers_container {
    margin-top: 0px;
  }

  .demo_content_grid {
    display: block;
    width: 100%;
    height: 100%;
  }

  .contact-container-right {
    width: 100%;
  }

  /* --- SECTIONS --- */

  .col-description {
    z-index: 10;
    width: 230px;
  }

  /* --- PRODUCTS --- */

  .products {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    padding: 15px;
  }

  .products_options {
    display: block;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }

  .products_option_container {
    display: block;
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 15px;
    padding: 0px;
    margin: 0px;
    margin-bottom: 15px;
    padding-bottom: 50px;
  }

  .products_text {
    height: 240px;
  }

  .products_title {
    display: block;
    position: relative;
    font-size: 50px;
    font-weight: 700;
    padding-top: 70px;
    color: rgba(0, 0, 0, 1);
    text-align: center;
  }

  .products_subtitle {
    display: block;
    position: relative;
    font-size: 8vw;
    font-weight: 500;
    padding-top: 20px;
    color: rgba(170, 170, 170, 1);
    text-align: center;
    padding: 25px;
  }

  .products_option_container_empty {
    display: inline-block;
    position: relative;
    width: 100%;
    height: 400px;
    background-color: rgba(250, 250, 250, 0, 0);
    border-radius: 15px;
    margin: 0px;
  }

  .text_link {
    font-size: 18px;
    font-weight: 600;
  }

  .subscribe_container {
    border-radius: 0px;
    margin: 0px;
  }

  .view-3d_upload_container {
    display: block;
    position: relative;
    height: 80%;
    padding: 0px;
  }

  .view-3d_upload {
    display: block;
    height: 75vh;
    border-radius: 0px;
    width: 100%;
    background-color: rgb(237, 237, 237);
  }

  .cards_solutions_container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }

  .cards_services_container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }

  .cards_feature_container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }

  .cards_partners_container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }

  .card_container {
    display: block;
    width: 100%;
    height: auto;
  }

  .card_solutions {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    margin: 20px;
    padding-bottom: 60px;
    min-width: 70vw;
  }

  .card_services {
    display: block;
    position: relative;
    width: 70vw;
    border-radius: 15px;
    margin: 0px;
  }

  .viewerOverlay {
    padding: 0px;
  }

  .shop_viewer {
    border-radius: 0px;
  }

  .card_feature {
    display: block;
    position: relative;
    width: calc(100% - 40px);
    height: 100%;
    border-radius: 15px;
    margin: 20px;
    padding-bottom: 20px;
    border: 0px solid rgb(18, 31, 99);
  }

  .card_partners {
    position: relative;
    width: calc(100% - 40px);
    height: 450px;
    border-radius: 15px;
    margin: 20px;
    border: 0px solid rgb(18, 31, 99);
  }

  .card_title_container {
    display: flex;
    justify-content: left;
    align-items: center;
    height: 100px;
    width: 100%;
    padding-left: 30px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
  }

  .card_title {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    padding-bottom: 0px;
  }

  .card_text_container {
    display: flex;
    justify-content: center;
    align-items: left;
    height: 100%;
    padding-top: 0px;
    padding-right: 30px;
    padding-left: 30px;
    width: 100%;
  }

  .card_tag {
    font-size: 1rem;
    font-weight: 500;
  }

  .card_text {
    display: block;
    font-size: 1.4rem;
  }

  .card_text li {
    font-size: 1.1rem;
  }

  .card_video_text {
    display: block;
    font-size: 2rem;
  }

  .welcome_user {
    font-size: 1.5rem;
  }

  .account_login {
    margin-top: 0px;
  }

  .play_button_large {
    top: -65px;
    right: 20px;
  }

}