html {
    background-color: aliceblue;
    font-family: 'Courier New', Courier, monospace;
}

h1 {
    font-size: 24px;
    color: red;
}

table {
    background-color: aqua;
    padding: 0px 20px 20px 20px;
    border: 5px solid black;
}

button {
    margin: 20px 0px 0px 0px;
}

dialog {
    background-color: blanchedalmond;
    opacity: 1;
}