.scrollarea {
    overflow-y: auto;
}

.container-fluid {
    padding-left: 0;
}

#nav-sidebar {
    width: 300px;
    height: 100vh;

    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;

    transition: margin-left 0.3s;
    box-shadow: 0 0.5em 1.5em rgba(0, 0, 0, .1), 0 0.125em 0.5em rgba(0, 0, 0, .15);

    overflow-y: auto;
}

#page-wrapper #nav-sidebar {
    margin-left: 0;
}

#page-wrapper #content-wrapper {
    margin-left: 300px;
    padding: 1em;
}

@media (max-width: 768px) {
    #page-wrapper #nav-sidebar {
        margin-left: -300px;
    }

    #page-wrapper.nav-sidebar-active #nav-sidebar {
        margin-left: 0;
    }

    #page-wrapper #content-wrapper {
        margin-left: 0;
    }

    #page-wrapper.nav-sidebar-active #content-wrapper {
        margin-left: 300px;
    }
}

.wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
}