Websites/webkit.org/demos/intersection-observer/simple/styles.css

body {
    background-color: rgba(240, 247, 238, 1);
}

.results {
    position: fixed;
    font-size: 16px;
    top: 10px;
    left: 450px;
    width: calc(100% - 500px);
    height: 600px;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    border: 3px solid gray;
    margin: 5px;
    color: gray;
}

.results button {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px;
    border: none;
    background-color: transparent;
    -webkit-appearance: none;
}

h2 {
    margin-top: 0.2em;
    margin-bottom: 0.25em;
}

#logging {
    width: 100%;
    height: calc(100% - 3.5em);
    font-size: 16px;
    overflow: scroll;
    -webkit-overflow-scrolling: touch;
    margin: 5px;
    color: gray;
}