admin on "Selling Items for $0.0 (Giving products for Free)"

The following CSS tweak will set a font-size of 14px for the input fields. It will also make the background-color white.

.free_download_form_standard .eStore_text_input {
    font-size: 14px;
    background-color: white;
}

The following CSS tweak will add a little spacing above the download submit button:

.free_download_form_standard .free_download_submit {
    margin-top: 15px;
}