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

th, td {
    padding: 10px;
}

th {
    background-color: rgb(155, 155, 155);
    color: white;
}

table {
    margin-left: auto;
    margin-right: auto;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

blockquote {
    background: #f9f9f9;
    border-left: 10px solid #ccc;
    margin: 1.5em 10px;
    padding: 0.5em 10px;
}

figcaption {
    margin: 10px;
}