:host {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-gap: var(--basic-padding-2);
}

dot-card-contentlet {
  height: 100%;
}
dot-card-contentlet:before {
  content: "";
  display: inline-block;
  flex: 0 0 0;
  height: 0;
  padding-bottom: calc(100%);
}