.spinner-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  background: rgba(0, 0, 0, 0.3);
  z-index: 9000;
}

body.working .spinner-container {
  display: block;
}

.invert {
  -webkit-filter: invert(100%);
  filter: invert(100%);
  filter: progid:DXImageTransform.Microsoft.BasicImage(invert='1');
}

.upload-delete{
  display: none;
  opacity: 0.8;
}

.upload-delete:hover{
  opacity: 1;
}

.preview-image:hover img {
  opacity: .5;
}

.preview-image:hover .upload-delete{
  display: block;
}