body {
    display: flex;
    font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    margin: 0;
    padding: 0;
    height: 100vh;
    line-height: 175%;
}
a {
    color: #4d2574;
}
aside {
    width: 300px;
    overflow-y: auto;
    padding: 20px;
    background: #e1dcf3;
}
main {
    flex-grow: 1;
    display: flex;
}
main > iframe {
    width: 100%;
}
aside a {
    text-decoration: none;
}
.side-menu li {
    margin-bottom: 10px;
}
.side-menu a {
    display: inline-block;
    padding: 0 10px;
    border: 1px solid black;
    border-radius: 5px;
    text-decoration: none;
    margin: 5px;
}
.version {
    font-size: 75%;
    font-weight: bold;
    color: #4d2574;
    padding-left: 15px;
    opacity: .8;
}