body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #333;
}

.header {
    background: #7a3e00;
    color: white;
    text-align: center;
    padding: 25px;
}

    .header h1 {
        margin: 0;
    }

.menu {
    background: #222;
    text-align: center;
    padding: 12px;
}

    .menu a {
        color: white;
        text-decoration: none;
        margin: 0 20px;
        font-weight: bold;
    }

        .menu a:hover {
            color: #ffd700;
        }

.container {
    width: 90%;
    margin: 25px auto;
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 0 8px #ccc;
}

.footer {
    text-align: center;
    background: #7a3e00;
    color: white;
    padding: 12px;
    margin-top: 30px;
}

.form-table td {
    padding: 8px;
}

.textbox {
    width: 320px;
    padding: 7px;
}

.textarea {
    width: 320px;
    padding: 7px;
}

.btn {
    padding: 8px 15px;
    border: none;
    cursor: pointer;
    color: white;
    margin-right: 5px;
    border-radius: 4px;
}

.btn-add {
    background: #28a745;
}

.btn-update {
    background: #007bff;
}

.btn-delete {
    background: #dc3545;
}

.btn-clear {
    background: #6c757d;
}

.grid {
    width: 100%;
    border-collapse: collapse;
    margin-top: 25px;
}

    .grid th {
        background: #7a3e00;
        color: white;
        padding: 8px;
    }

    .grid td {
        padding: 8px;
        border: 1px solid #ccc;
    }

.message {
    color: red;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
}