.braintree-option_label {
    background: #d9dbd7;
    padding: 5px;
    border: 1px solid grey;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
}
.braintree-field{
    height:30px;
    border: 1px solid grey;
    border-radius: 5px;
    padding: 5px;
    background: #d9dbd7;
}