.select2-container--default .select2-selection--single {
    border: 1px solid rgba(0,0,0,0.15);
}

.select2-container .select2-selection--single {
    height: 34px;
    padding-top: 2px;
}

.input-group .select2-container--default .select2-selection--single {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    top: 4px;
}

.select2 {
    width: 100%;
}

#public_user_bundle_user_form_birthday {
    width: 100%;
}

#public_user_bundle_user_form_birthday .select2 {
    width: auto;
    min-width: 80px;
    max-width: 33%;
}

#public_user_bundle_user_form_birthday .select2-container--default .select2-selection--single {
    border-radius: 0;
}