body {
    background: yellow;
    font-family: Arial, sans-serif;
    font-style: italic;
}

h1 {
    background: lightblue;
    padding: 15px;
    margin: 20px;
    text-align: center;
}

table {
    border-collapse: collapse;
    margin: 20px auto;
}

.simple td {
    border: 2px solid blue;
    padding: 10px;
    text-align: center;
    color: blue;
}

.things th, .things td {
    border: 2px solid blue;
    padding: 10px;
    text-align: center;
}