.app-mark {
  width: 36px;
  height: 36px;
  padding: 2px;
  border-radius: 9px;
  background: rgba(255, 255, 255, .08);
  box-shadow: 0 4px 14px rgba(0, 0, 0, .18);
}

.app-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}