.chosen-container-single .chosen-single {
    border-radius:2px;
}

.chosen-container-single .chosen-drop {
   border-radius: 0 0 2px 2px;
}

.chosen-container-multi .chosen-choices {
    border-radius:2px;
}

.chosen-container .chosen-drop {
    border-radius:2px;
}

.chosen-container-single .chosen-single {
    border-radius:2px;
}