.container {
  max-width: 400px;
  margin: 50px auto;
  padding: 20px;
}

.inner-box {
  background: hsla(0, 0%, 100%, 0.9);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.form {
  border: 3px solid #000000;
}