body {

  background-image: url('../img/hintergrundv1.jpg');
  background-size: cover;
  background-position: center;
  height: 100vh;
  margin: 0;
}

.container_login {
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 10px;
  padding: 20px;
  width: 300px;
  margin: 40px auto;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.container_login h1 {
  text-align: center;
  margin-top: 0;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input[type="text"], input[type="password"] {
  padding: 10px;
  margin-bottom: 20px;
  border: none;
  border-radius: 5px;
  width: 100%;
}

input[type="submit"] {
  background-color: #0a35b4;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #062789;
}

@media (min-width: 768px) {
  body {
    background-image: url('../img/hintergrundv1.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
  }

  .container_login {
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  }
}

@media (min-width: 768px) {
  .container_login {
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    padding: 20px;
    width: 300px;
    margin: 40px auto;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  }

  .container_login h1 {
    text-align: center;
    margin-top: 0;
  }
}