Jasper Jin template — customize form button?

body:not(.button-style-default).button-style-outline .sqs-editable-button {
    background-color: transparent;
    color: #000000;
}

body:not(.button-style-default) .sqs-editable-button {

    border-color: #000000;
}

body:not(.button-style-default).button-style-outline .sqs-editable-button:hover {
    background-color: #000000;
    color: #fff;
}