body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f7f7;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}


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

.table th,
.table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    background-color: #f5f5f5;
    font-weight: bold;
}


.table tr:nth-child(odd) {
    background-color: #f9f9f9;
}


#insert {
    display: block;
    margin: 0 auto;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

#insert:hover {
    background-color: #0056b3;
}