html {
    font-size: 62.5%;
}

.bi {
    display: inline-block;
    width: 1rem;
    height: 1rem;
}

/*
 * Sidebar
 */

@media (min-width: 768px) {
    .sidebar {
        width: 12.5%;
    }
    .sidebar .offcanvas-lg {
        position: -webkit-sticky;
        position: sticky;
        top: 48px;
    }
}

.sidebar .nav-link {
    font-size: 1.2rem;
    font-weight: 500;
}

.sidebar .nav-link.active {
    color: #2470dc;
}

/*
 * Navbar
 */

.navbar-brand {
    font-size: 1.2rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    background-color: rgba(0, 0, 0, 0.25);
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.25);
}

.navbar .form-control {
    padding: 0.75rem 1rem;
}

/*
 * RichMenu
 */

.rich-menu {
    width: 25%;
    height: 43rem;
    position: relative;
}

.rich-menu > p {
    font-size: 1.2rem;
}

.rich-menu img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.fs-08 {
    font-size: 0.8rem;
}

.bottom {
    position: absolute;
    bottom: 0;
}

#preview {
    margin: 1rem;
}

.big-area {
    width: 50%;
    height: 5rem;
}

.fs-main {
    font-size: 1.2rem;
}

.danger-text {
    color: red;
}