.x-form-select-multiple, select.x-form-field {
    background: #FFFFFF url(../images/default/form/text-bg.gif) repeat-x scroll top;
    border: 1px solid #B5B8C8;
    padding: 1px 3px;
}
.x-form-focus, select.x-form-focus {
    border: 1px solid #7EADD9;
}
.x-form-invalid, select.x-form-invalid {
    background: #FFFFFF url(../images/default/grid/invalid_line.gif) repeat-x scroll center bottom;
    border: 1px solid #DD7870;
}