~/.mozilla/firefox/9djl18p2.default/chrome/userContent.css

input {
border: 2px inset white;
background-color: white;
color: black;
-moz-appearance: none !important;
}
textarea {
border: 2px inset white;
background-color: white;
color: black;
-moz-appearance: none !important;
}
select {
border: 2px inset white;
background-color: white;
color: black;
-moz-appearance: none !important;
}
input[type="radio"],
input[type="checkbox"] {
border: 2px inset white ! important;
background-color: white ! important;
color: ThreeDFace ! important;
-moz-appearance: none !important;
}
*|*::-moz-radio {
background-color: white;
-moz-appearance: none !important;
}
button,
input[type="reset"],
input[type="button"],
input[type="submit"] {
border: 2px outset white;
background-color: #eeeeee;
color: black;
-moz-appearance: none !important;
}
body {
background-color: white;
color: black;
display: block;
margin: 8px;
-moz-appearance: none !important;
}