body {
  background-image: url("https://loginmysilem.com/images/background.png?t=1743464378");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 80vh;
}

.custom-modal {
  width: 18%;
  display: block;
  margin: 10% auto;
  background-color: white;
  padding: 1%;
  box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.17);
}

.img {
  width: 100%;
  height: auto;
}

.button-login {
  background-color: #1b99bd;
  border-color: #1887a7;
  width: 100%;
}

.button-login:hover {
  background-color: #157590;
  border-color: #105c71;
}

@media (width <= 800px) {
  body {
    height: 100vh;
  }
  .custom-modal {
    width: 90%;
    padding: 5%
  }
}