Trick, Helpful CSS

button.shopify-payment-button__button:before { 
content: "QUICK BUY"; 
line-height: 1.42; 
text-decoration: none; 
text-align: center; 
white-space: normal; 
font-size: 11px; 
font-weight: bold; 
text-transform: uppercase; 
letter-spacing: 0.2em; 
}

span.nt_name_current { 
color: green!important; 
} 

p.shopify-info.sp_notice.show_notice 
{ 
background: red!important; 
}

.cart_ac_edit, .cart_ac_remove {
display: none;
}

.pr_grid_item .product-image:hover .hover_button {
    opacity: 0;
}

div#shopify-section-pages_heading h1 {
    color: #333;
}