* {
  box-sizing: border-box;
}

table {
    border: 2px solid #0000ff;
    border-collapse: collapse;
}

th, tr, td {
    border: 0;
    margin: 0;
    padding: 0.2rem;
}

th:nth-child(even), tr:nth-child(odd) td:nth-child(even), tr:nth-child(even) td:nth-child(odd) {
    background-color: #7777ff;
}

h1 {
    font-variant: small-caps;
}

a {
    text-decoration: none;
}