.messagerie_body {
  position: absolute;
}

.messagerie__from {
  position: relative;
}

.messagerie__loading {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.messagerie__loading .loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate3D(-50%, -50%, 0);
}

.loader {
  display: block;
  border: 10px solid #DDD;
  border-radius: 50%;
  border-top: 10px solid #3498db;
  width: 50px;
  height: 50px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}