pre {
    position: relative;
    width: fit-content;
    min-width: 320px;
    max-width: 90%;
    max-height: 320px;
    background-color: #eee;
    border: 1px solid #333;
    padding: 1rem .5rem;
    overflow: auto;
    scrollbar-color: #eee #aaa;
    scrollbar-width: thin;
}
pre .title {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    text-align: center;
    background-color: #ddd;
    border-bottom: 1px solid #333;
}