r div[class*=highlight] pre {
    background: none;
    border: none;
    padding: 0 0;
    margin: 0;
    box-shadow: none;
}

/* avoid gaps between output lines */
div.nboutput.container div[class*=highlight] pre {
    line-height: normal;
}

/* input/output containers */
div.nbinput.container,
div.nboutput.container {
    display: -webkit-flex;
    display: flex;
    align-items: flex-start;
    margin: 0;
    width: 100%;
}
@media (max-width: 540px) {
    div.nbinput.container,
    div.nboutput.containe