.iframe-1 {
    text-align: center;
}
h1 {
    text-align: center;
}
.info {
    width: 800px;
    height: auto;
    border: 1px solid black;
    margin: auto;
    padding: 20px;
}
div>p {
    font-size: large;
}
table {
    border-collapse:collapse
}
caption {
    font-size: larger;
}
td {
    padding: 10px;
    text-align: center;
}

th {
    padding: 10px;
    background-color: aliceblue;
}
.info .important {
    background-color: yellow;
}