.woocommerce .related ul.products li.product a.button {
       background-color: #336699; 
       color: #ffffff; 
    } 

.woocommerce .wc-proceed-to-checkout .button {
       background-color: #336699!important; 
    } 

.woocommerce #content div.product form.cart .button {
       background-color: #336699; 
    } 

.woocommerce #customer_details .col-1 {
       width: 1080px; 
    } 

.woocommerce #payment div.form-row .button {
       background-color: #336699; 
    } 

.woocommerce ul.products li.product a.button {
       background-color: #336699; 
       color: #ffffff; 
    }