Transparent Selects

HTML

<select>
    <option value="foo">Foo</option>
    <option value="bar">Bar</option>
    <option value="baz">Baz</option>
</select>

CSS

body {
    background-color: grey;
}

select {
    background-color: transparent;
    filter: progid:DXImageTransform.Microsoft.Chroma(color="#FFFFFF")
}

option {
    background-color: transparent;
    filter: progid:DXImageTransform.Microsoft.Chroma(color="#FFFFFF")
}