body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

.login-container {
  width: 300px;
  padding: 16px;
  background-color: white;
  margin: 0 auto;
  margin-top: 100px;
  border-radius: 4px;
  box-shadow: 0px 0px 10px 0px black;
}

.login-container h2 {
  text-align: center;
  color: #333;
}

.login-container form {
  display: flex;
  flex-direction: column;
}

.login-container label {
  margin-bottom: 0.5em;
  color: #333;
  display: block;
}

.login-container input[type="text"],
.login-container input[type="password"] {
  padding: 0.5em;
  color: #777;
  border-radius: 4px;
  border: 1px solid #d3d3d3;
}

.login-container button {
  padding: 0.5em;
  color: white;
  background-color: #2772db;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 1em;
}

.login-container button:hover {
  background-color: #1858a8;
}

#error-message {
  color: red;
  text-align: center;
}