.t431 .t431__btnwrapper a { 
       background-color: #235c90!important;
       border-radius:60px!important;
       font-weight: 500!important;
}
 .js-product-sku {
     font-size:14px;
 }
@media screen and (max-width: 640px) {
.t668__text {
   font-size:16px !important; 
}
}