html, body {
  height: 100%;
}

.footer {
    width: 100%;
    text-align: center;
}

.code-wrapper {
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
}

.line-numbers code {
    display: block;
    padding-left: 5rem;
    position: relative;
}
.line-numbers code::before {
    counter-increment: linenumber;
    content: counter(linenumber);
    position: absolute;
    left: 0;
    width: 3.5rem;
    text-align: right;
    padding-right: 0.5rem;
    color: #6a737d;
    border-right: 1px solid #6a737d;
}
.line-numbers {
    counter-reset: linenumber;
    margin: 0;
    overflow-x: auto;
}

.header-logo {
    max-width: 100%;
    height: auto;
    max-height: 100px;
}