table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
}

/* tr:hover {background-color: #f5f5f5} */
tr:nth-child(even) {background-color: #f2f2f2}
tr:nth-child(odd) {background-color: white}

th {
    background-color: #4CAF50;
    color: white;
}