Hands-on work N° 2 :

<style>

        table {

            width: 100%;

            border-collapse: collapse;

        }

        table,

        th,

        td {

            border: 1px solid black;

        }

        th,

        td {

            padding: 10px;

            text-align: center;

        }

        th {

            background-color: #f2f2f2;

        }

    </style>