blog_theme/assets/css/site/off-canvas.css

.dimmer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 90;
    display: none;
    background: rgba(0, 0, 0, 0.7);
}

.off-canvas {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 90;
    overflow-y: scroll;
    padding: 60px 0 90px;
    width: 320px;
    height: 100vh;
    background-color: var(--light-gray-color);
    transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
    transform: translateX(320px);
    -webkit-overflow-scrolling: touch;
}

.off-canvas .burger {
    position: absolute;
    top: 15px;
    right: 12px;
    margin: 0;
}

.off-canvas .related-posts {
    margin: 45px 0 30px;
    padding: 0 20px;
}

.off-canvas .widget-area {
    padding: 0 20px;
}

.off-canvas .widget {
    padding: 0;
    background-color: transparent;
    box-shadow: none;
}

.off-canvas .widget + .widget {
    margin-top: 45px;
}

body:not(.canvas-visible) .off-canvas {
    visibility: hidden;
}

.canvas-opened {
    overflow-y: hidden;
}

.canvas-opened .off-canvas {
    visibility: visible;
    transform: translateX(0);
}

.mobile-menu {
    margin: 0 20px 45px;
}

.mobile-menu .nav-list {
    display: block;
}

.mobile-menu .menu-item {
    margin: 20px 0;
    letter-spacing: 0;
}