.empty-item select {
    border-color: transparent;
    outline: none;
    background-color: transparent;
    color: transparent;
    cursor: default;
    -moz-appearance: none;
}

.empty-item select:focus {
    border-color: transparent;
    -webkit-box-shadow: none;
    box-shadow: none;
}

.empty-item select::-ms-expand {
    display: none;
}