body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    position: relative;
}

.container {
    text-align: center;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 350px;
    width: 100%;
}

.header {
    background-color: #007bff;
    color: white;
    padding: 15px;
    font-size: 20px;
    font-weight: bold;
    border-radius: 10px 10px 0 0;
    margin: -20px -20px 20px -20px;
}

.input-group {
    margin-bottom: 15px;
    text-align: left;
}

    .input-group label {
        display: block;
        font-size: 14px;
        margin-bottom: 5px;
        color: gray
    }

    .input-group input {
        width: 100%;
        padding: 8px;
        font-size: 14px;
        border-radius: 5px;
        border: 1px solid #ccc;
        box-sizing: border-box;
    }

.btn {
    display: block;
    width: 100%;
    padding: 10px 15px;
    margin: 10px 0;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-secondary {
    background-color: #6c757d;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.top-right {
    position: absolute;
    top: 20px;
    right: 20px;
}