.custom_choosefile div.uploader span.filename {
    width: 100%;
}

.custom_choosefile div.uploader span.action {
    display: none !important;
}
.ets_cfu_col div.checker {
    display: inline-block;
}
.ets_cfu_col .selector {
    max-width: 300px;
}
.ets_cfu_col div.selector span{
    max-width: 100%;
}