#side-menu,
.side-menu-overlay {
    position: fixed;
    top: 0;
    height: 100%;
    display: none;
}
body.overflow-hidden {
    overflow: hidden;
}
#side-menu {
    width: 465px;
    left: -465px;
    overflow-y: auto;
    z-index: 1035;
    padding: 0;
    color: #333;
    transition: 0.4s;
}
body.side-menu-visible #side-menu {
    transform: translateX(465px);
}
#side-menu .contents {
    margin-top: 15px;
}
#side-menu .nav-link {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 0;
}
#side-menu .nav-link:hover {
    opacity: 0.8;
}
#side-menu .close {
    font-size: 36px;
    font-weight: 400;
}
.side-menu-overlay {
    left: 0;
    min-width: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 100;
}
#side-menu.side-menu-left {
    right: auto;
    left: -300px;
}
body.side-menu-visible #side-menu.side-menu-left {
    transform: translateX(300px);
}