.content-container > .code-block {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0;
}

.content-container > .code-block > .code-block-iframe {
    border: 0;
    margin: 0;
    width: auto;
    height: 300px;
}