.site-mobile-menu {
    position: fixed;
    left: 0;
    top: 60px;
    z-index: 1000;
    display: block;
    overflow-y: auto;
    overflow-x: hidden;
    width: 270px;
    height: 100%;
    background-color: #ffffff;
    -webkit-overflow-scrolling: touch;
    transform: translate3d(-100%, 0, 0);
    transition: transform 0.25s ease, z-index 0.1s ease;
}

.site-mobile-menu.active {
    transform: translate3d(0, 0, 0);
}

.menu-toggle {
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    position: fixed;
    top: 15px;
    left: 15px;
}

@media (min-width: 768px) {
    .site-mobile-menu,
    .menu-toggle {
        display: none;
    }
}