.container {
    width: 300px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
  }
  
  input[type="text"],
  input[type="password"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0056b3;
  }

  #errorMessage {
    color: red;
  }
  
  input[type="text"],
  input[type="date"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  button {
    width: 100%;
    padding: 10px;
    background-color: #007bff;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0056b3;
  }
  
  #error-message {
    color: red;
  }
  .menu {
    background-color: #333;
    text-align: center; /* Center the menu horizontally */
}

.menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: inline-block; /* Ensure the menu stays centered */
}

.menu ul li {
    display: inline-block;
}

.menu ul li a {
    display: block;
    padding: 20px 30px;
    text-decoration: none;
    color: #fff;
}

.menu ul li a:hover {
    background-color: #555;
}
table {
  border-collapse: collapse;
  width: 100%;
}

th,
td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

th {
  background-color: #f2f2f2;
}

form {
  margin-bottom: 20px;
}

input[type="date"] {
  padding: 5px;
  border: 1px solid #ccc;
  border-radius: 3px;
}

input[type="submit"] {
  padding: 5px 10px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #45a049;
}