@media screen and (max-width: 468px) {
    #menu-header-menu a {
        font-size: 17px !important;
    }

    .sub-menu {
        margin-top: 10px !important;
    }
}

.sub-menu-toggle:before {
    border: 1px dotted #0073e5;
}

.sub-menu-toggle {
    color: #0073e5;
    margin-right: 5%;
}