.dropzone .dz-preview .dz-image img {
    width: 100% !important;
    height: 100% !important;
}
.dropzone {
    text-align: center!important;
}
.dropzone .dz-preview .dz-progress {
    opacity: 0 !important;
}
.dropzone .dz-preview.dz-processing .dz-progress {
    opacity: 1 !important;
}
.dropzone .dz-preview.dz-complete .dz-progress {
    opacity: 0 !important;
}