table{
    width: 40%;
    border-collapse: collapse;
    margin: auto;
}

th{
    border: 1px solid green;
    padding: 10px;
}

td{
    border-bottom: 1px solid black;
    padding: 10px;
    text-align: center;
}

tr:nth-child(even):hover{
    background-color: orange;
}