spee.ch/client/scss/components/_asset-display.scss

.asset-display {
  flex: 1 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.asset-image, .asset-video {
  max-width: 100%;
  max-height: 100%;
  margin : 0;
}
.asset-video {
  margin: 16px;
  padding: 6px;
  border: 1px solid #d0d0d0;
}