input[required]:not([readonly]):not([disabled]),
textarea[required]:not([readonly]) {
    background-color: #f3e97a !important;
}

select[required]:not([disabled]),
select[required]:not([disabled])+.select2 .select2-selection,
select[required]:not([disabled])+.dropdown-toggle.custom-selectpicker,
input[type=checkbox][required]:not([disabled]),
input[type=radio][required]:not([disabled]) {
    background-color: #f3e97a !important;
}

input[readonly]:not([disabled]),
textarea[readonly] {
    background-color: #f3f3f3 !important;
}


select[readonly]:not([disabled]),
select[readonly]:not([disabled])+.select2 .select2-selection,
select[readonly]:not([disabled])+.dropdown-toggle.custom-selectpicker,
input[type=checkbox][readonly]:not([disabled]),
input[type=radio][readonly]:not([disabled]) {
    background-color: #f3f3f3 !important;
}