header, footer, main {
    margin: .25em;
    padding: .25em;
}
table {
    border: .2em solid tomato;
    border-collapse: collapse;
    margin: .3em;
}
caption {
    color: tomato;
    font-size: 1.2em;
    font-weight: bold;
}
td, th {
    border: .1em dashed tomato;
    padding: .3em;
}