.card-main-screen {
  padding: 10px;
  margin: 50px 100px;
}

.card-main-logo {
  margin: 50px 0;
}
.main-card-logo img {
  width: 300px;
}
@media only screen and (max-width: 600px) {
  .card-main-screen {
    text-align: center;
    border: 1px solid #000;
    border-radius: 25px;
    background: #00000091;
    margin: 50px;
  }

  .card-main-screen h3 {
    font-size: 18px;
    margin-top: 0.5rem;
  }
  .main-card-logo img {
    width: 150px;
  }
  .container-1 h1 {
    font-size: 1.5rem;
  }
  .container-1 h2 {
    font-size: 1rem;
  }
  .dv {
    position: relative !important;
  }
}