body {
    background-color: beige;
    color: saddlebrown;
}

div {
    background-color: aquamarine;
    color: sandybrown;
}

.css01 {
    background-color: aliceblue;
    color: black;
}

.css02 {
    background-color: blanchedalmond;
    color: red;
}

.css03 {
    font-weight: bolder;
    font-family: Arial black;
    color: cornflowerblue;
}