body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

label {
    font-weight: bold;
}

.select-input, .submit-button {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.submit-button {
    background-color: #007bff;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

.submit-button:hover {
    background-color: #0056b3;
}

#regresar-button {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 10px 20px;
    border-radius: 5px;
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
}

#regresar-button:hover {
    background-color: #0056b3;
}

#fd-button {
    top: 20px;
    left: 20px;
    padding: 10px 20px;
    border-radius: 5px;
    margin-top: 5px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    cursor: pointer;
}

#fd-button:hover {
    background-color: #45a049;
}