Magento 2 - hide account or menu tabs in mobile version.

hide-account-menu.links.css

.media-width(@extremum, @break) when (@extremum = 'max') and (@break = @screen__m) {
    .nav-sections-items {
        .section-item-title[aria-controls="store.menu"] {
            display: none;
        }
        .section-item-title[aria-controls="store.links"] {
            background: transparent;
            border-bottom-width: 0;
        }
        #store\.links {
            display: block !important;
            margin: 0;
        }
        #store\.menu {
            display: none;
        }
    }
}