.chosen-container-multi .chosen-choices .search-choice {
    background-color: #72c02c;
    border: 1px solid #72c02c;
    color: white;
    background-image: none;
}

.chosen-choice-readonly {  
    background-color: #72c02c;
    border: 1px solid #72c02c;
    color: white;    
}