Cannot style a portlet's popup

[Christian Freihoff, geändert vor 11 Jahren.]

When using the editing or "new" function in a portlet like Asset Publisher i get an iframe with a form. I would like to style elements inside this form. For that i looked up the classnames of the element i would like to style an wrote some css code into the custom.css (what perfectly works on the basic page).
But in the iframe's/popup's body nothing changes.

So, what am i doing wrong?

Thanks in advance

[Patrick Yeo, geändert vor 11 Jahren.]

Hope you figured this out, but if not you can try styling the form elements instead of the class names in custom.css.

input[type="text"], input[type="password"], textarea {
    background: green;
    border: 1px solid black;
}

input[type="submit"], input[type="button"], input[type="reset"] {
    background: blue;
}