body {
    background-color: #ff00ff;
}

aside {
    float: right;
    background-color: grey;
    text-align: right;
    border: 10px;
    border-radius: 10px;
    padding: 5px;
    width: 15%;
}

section {
    background-color: antiquewhite;
}

h2 {
    background-color: cadetblue;
}

article {
    background-color: yellowgreen;
}

footer {
    background-color: white;
}