.woocommerce #respond input#submit.alt, 
.woocommerce a.button.alt, 
.woocommerce button.button.alt, 
.woocommerce input.button.alt {
    background-color: var(--navy-blue);
    color: #ffffff;
    border-radius: 0;
}

.woocommerce #respond input#submit.alt:hover, 
.woocommerce a.button.alt:hover, 
.woocommerce button.button.alt:hover, 
.woocommerce input.button.alt:hover {
    background-color: var(--aquamarine);
    color: var(--navy-blue);
    border-radius: 0;
}