article#first_thing {
    position: relative; /* so we can move it around relative to where it would normally be. */
}

article#second_thing {
    position: relative;
}

article#second_thing p {
    /* position the paragraph absolutely within the article within which it sits */
    position: absolute;
    top: -10px;
    right: 0;
    background-color: fuchsia;
    color: white;
}

p#second_paragraph {
    margin-top: 20px;
    font-size: 30px;
}