.prs-ico {
  --size: var(--prs-size-6);
  vertical-align: middle;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--size);
}

.prs-ico-xs { --size: var(--prs-size-3); }
.prs-ico-sm { --size: var(--prs-size-5); }
.prs-ico-lg { --size: var(--prs-size-8); }
.prs-ico-xl { --size: var(--prs-size-10); }

.prs-ico-stack {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  .prs-ico-stacked {
    --size: 1em;
    --padd: 0;
    padding: var(--padd);
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    inset: 0;
    font-size: var(--size);
  }
}