.product-doc-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}
.product-doc-links .btn{flex:1 1 190px;margin:0;min-height:46px;text-align:center}
@media(max-width:520px){.product-doc-links{display:grid}.product-doc-links .btn{width:100%;text-align:center}}