/* Apply Helvetica Now font family to all text elements */
body, h1, h2, h3, h4, h5, h6, p, a, span, div {
    font-family: 'Helvetica Now', sans-serif !important;
}

/* Customize button text */
button, input[type="submit"], input[type="button"] {
    font-family: 'Helvetica Now', sans-serif !important;
}

/* Customize form input fields */
input, textarea, select {
    font-family: 'Helvetica Now', sans-serif !important;
}

/* Customize navigation and headers */
.navbar, .header, .footer {
    font-family: 'Helvetica Now', sans-serif !important;
}