.signup_card {
  background-color: #444;
  border: 1px solid #555;
  border-radius: 8px;
  padding: 20px;
  margin: 50px auto;
  width: 400px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.signup_card .form-group {
  margin-bottom: 15px;
}

.signup_card label {
  display: block;
  margin-bottom: 8px;
}

.signup_card input[type="text"],
.signup_card input[type="email"],
.signup_card input[type="password"],
.signup_card input[type="date"] {
  width: 90%;
  padding: 10px;
  margin-bottom: 5px;
  border: 1px solid #555;
  border-radius: 4px;
  background-color: #333;
  color: aliceblue;
}