@media screen and (max-width: 720px) {
    nav ul li:first-child {
        border-left: none;
    }

    nav ul li:last-child {
        border-right: none;
    }

    #recipe-form {
        textarea, input[type="text"], input[type="password"], input[type="search"] {
            border-left: none;
            border-right: none;
        }        
    }
}