.document {
    width: calc(50% + 10em);
    max-width: 1200px;
    min-width: 300px;
    border-radius: 0.5em;
    height: 100%;
    padding-left: 0.5em;
    box-sizing: border-box;
    background-color: rgba(0, 0, 0, 0.512);
}

.document .pagebreak,
.document .newpage {
    page-break-before: always
}

.document pre.line-numbers {
    position: relative;
    padding-left: 3.5cm;
    counter-reset: linenumber
}

.document pre.line-numbers>code {
    position: relative
}

.document pre.line-numbers .line-numbers-rows {
    position: absolute;
    pointer-events: none;
    top: 1em;
    font-size: 100%;
    left: 0;
    width: 3em;
    letter-spacing: -1px;
    border-right: 1px solid #999;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

.document pre.line-numbers .line-numbers-rows>span {
    pointer-events: none;
    display: block;
    counter-increment: linenumber
}

.document pre.line-numbers .line-numbers-rows>span:before {
    content: counter(linenumber);
    color: #999;
    display: block;
    padding-right: .8em;
    text-align: right
}

.document .mathjax-exps .MathJax_Display {
    text-align: center !important
}

.document:not([for="preview"]) .code-chunk .btn-group {
    display: none
}

.document:not([for="preview"]) .code-chunk .status {
    display: none
}

.document:not([for="preview"]) .code-chunk .output-div {
    margin-bottom: 16px
}