div.pack {
  display: flex;
  margin-bottom: 10px;
  /*box-sizing: border-box;*/
}

div.pack > * {
  margin: 0;
}

div.pack > *:not(:last-child) {
  margin-right: 5px;
}

div.pack img {
  width: 100%;
  height: auto;
}

/*
@media (max-width: 560px) {
  div.pack {
    flex-wrap: wrap;
  }
  div.pack > * {
    flex: 1 0 auto !important;
    max-width: 100%;
    margin: 0 !important;
  }
  div.pack > *:not(:last-child) {
    margin-bottom: 10px !important;
  }
}
*/