a.menu-link {
    position: fixed;
    top: 0;
    right: 0;
    display: block;
    padding: 1rem;
}

nav[role=navigation] {  
    -webkit-transition: all 0.3s ease-out;  
    -moz-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
}
.js nav[role=navigation] {
    overflow: hidden;
    max-height: 0;
}
nav[role=navigation].active {
    max-height: 14rem;
}
nav[role=navigation] ul {
    border-top: thin solid #808080;
}
nav[role=navigation] li {
    border-bottom: thin solid #808080;
}

@media screen and (min-width: 48em) {
    a.menu-link {
       display: none;
    }
    .js nav[role=navigation] {
        max-height: none;
    }
    nav[role=navigation] ul {
        border: 0;
    }

    nav[role=navigation] li {
        display: inline-block;
        border: 0;
    }
}