div.left-side section.languages {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
}

div.left-side section.languages a {
    font-size: 1.2rem;
    color: #666;
    text-transform: uppercase;
    transition: color 250ms;
}

div.left-side section.languages a:hover {
    color: #006600;
}

div.left-side section.menu button {
    display: none;
    width: 100%;
    margin-top: 1rem;
    padding: 0.5rem 0;
    background-color: #fff;
    border-radius: 7px;
    border: 1px solid #e5e5e5;
    text-transform: uppercase;
    font-weight: bold;
    font-size: 1rem;
    color: #666;
    cursor: pointer;
    transition: color 250ms;
    white-space: nowrap;
    outline: none;
}

div.left-side section.menu ul::-webkit-scrollbar {
    width: 0;
}

div.left-side section.menu ul.menu {
    display: flex;
    flex-direction: column;
    max-height: none;
    overflow: visible;
    scrollbar-width: none;
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid #e5e5e5;
    border-radius: 7px;
}

div.left-side section.menu ul.menu li {
    list-style-type: none;
    margin: 0.2rem 0;
    padding: 0.5rem;
    border: 1px solid #e5e5e5;
    border-left: none;
    border-right: none;
    border-radius: 7px;
    text-transform: uppercase;
    font-size: 0.8rem;
}

div.left-side section.menu ul.menu li:hover {
    color: #666;
}

div.left-side section.menu ul.menu li.sub-menu {
    position: relative;
}

div.left-side section.menu ul.menu li.sub-menu > .sub-menu-name {
    cursor: pointer;
}

div.left-side section.menu ul.menu li ul.sub-menu {
    display: none;
    position: absolute;
    top: 0;
    left: calc(100% + 0.35rem);
    width: 18rem;
    max-height: 70vh;
    overflow-y: auto;
    overflow-x: hidden;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    z-index: 100;
    margin: 0;
    padding: 0.5rem;
    border: 1px solid #e5e5e5;
    border-radius: 7px;
    background-color: #f8f8f8;
    color: #222;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

div.left-side section.menu ul.menu li ul.sub-menu.visible {
    display: flex;
}

div.left-side section.menu ul.menu li ul.sub-menu li {
    transition: color 250ms;
}

div.left-side section.menu ul.menu li ul.sub-menu li:hover {
    opacity: 0.5;
}

.mobile-menu-controls,
.mobile-menu-overlay {
    display: none;
}