@media screen and (max-width: 1200px) {
    .layout-menu {
        position: fixed;
        top: 0;
        left: -250px;
        height: 100vh;
        width: 250px;
        transition: left 0.3s ease;
        z-index: 1050;
    }

    .layout-menu-expanded .layout-menu {
        left: 0;
    }

    .layout-menu-expanded::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
    }
}