.spar-apply-to-cart-btn{
background:#007cba;
color:#fff;
border:none;
border-radius:4px;
padding:6px 10px;
cursor:pointer;
float:right;
}
.spar-apply-to-cart-btn[disabled]{
opacity:.7;
cursor:not-allowed
}
.spar-apply-to-cart-btn.spar-apply-success{
background:#28a745
}