body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 1000px;
    text-align: center;
}

h2 {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    text-align: left;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.form-group button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #28a745;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-group button:hover {
    background-color: #218838;
}

.error {
    color: red;
    margin-top: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background-color: #f8f8f8;
}

@media (max-width: 600px) {
    table {
        border: 0;
    }
    table thead {
        display: none;
    }
    table tr {
        margin-bottom: 10px;
        display: block;
        border-bottom: 2px solid #ddd;
    }
    table td {
        display: block;
        text-align: right;
        font-size: 13px;
        border-bottom: 1px dotted #ccc;
    }
    table td:last-child {
        border-bottom: 0;
    }
    table td:before {
        content: attr(data-label);
        float: left;
        text-transform: uppercase;
        font-weight: bold;
    }
}