body {
    font-family: Arial, sans-serif;
    background-color: #f1f1f1;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 400px;
    margin: 50px auto;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}

.logo-container {
    text-align: center;
    padding: 20px;
}

.logo {
    width: 70px;
}

.form-container {
    padding: 20px;
}

input {
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.btn {
    background-color: darkred;
    color: white;
    padding: 15px 20px;
    margin: 10px 0;
    border: none;
    cursor: pointer;
    width: 100%;
    border-radius: 4px;
}

.btn:hover {
    background-color: darkred;
}

.caution {
    text-align: center;
    font-size: 12px;
    color: red;
}