How can I make my form fully transaparent?

...and on this one it's half white http://littleridgefarm.com/sign-me-up/checkcash/

Please check your form again, I've injected the code below to make the headers also transparent:

.form-header-group {
background: transparent !important;
}

And this is how it looks like now:

Let us know if you need further assistance.
Thanks.