.modul-r-form_testimonials .btn-upload-group {
    position: relative;
    outline: none;
}

.modul-r-form_testimonials .btn-upload-group label {
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.modul-r-form_testimonials .btn-upload-group input {
    -webkit-transform: scale(20);
    -ms-transform: scale(20);
    transform: scale(20);
    letter-spacing: 10em;
    opacity: 0;
    cursor: pointer;
}