table {
  box-sizing: border-box;
  max-width: 100%;
}

.page-shell {
  width: 100%;
  max-width: 600px;
  table-layout: fixed;
}

td {
  min-width: 0;
  overflow-wrap: anywhere;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.site-nav,
.content-table,
.image-grid {
  width: 100%;
  table-layout: fixed;
}

.site-nav,
.image-grid {
  border: 0;
  border-spacing: 0;
}

.site-nav > tbody {
  display: block;
}

.site-nav tr {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.site-nav td {
  display: block;
  border: 0;
  padding: 0;
}

.site-nav p {
  margin: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-width: 44px;
  min-height: 44px;
  padding: 4px 10px;
}

.image-grid > tbody,
.link-grid > tbody {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr));
  gap: 12px;
}

.image-grid.gallery-thumbnails > tbody {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 90px), 1fr));
}

.image-grid tr,
.link-grid tr {
  display: contents;
}

.image-grid td,
.link-grid td {
  display: flex;
  border: 0;
  width: auto;
  flex-direction: column;
  align-items: center;
  padding: 0;
}

.image-grid td[colspan],
.link-grid td[colspan] {
  grid-column: 1 / -1;
}

.image-grid a,
.link-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  max-width: 100%;
}

@media (max-width: 650px) {
  body {
    font-size: 16px;
    line-height: 1.45;
  }

  font[size="1"],
  font[size="2"],
  font[size="3"] {
    font-size: 1rem;
  }

  .page-shell > tbody > tr > td {
    padding: 0;
  }

  .content-table {
    border: 0;
    border-spacing: 0;
  }

  .content-table > tbody > tr > td {
    border: 0;
  }

  .content-columns,
  .content-columns > tbody,
  .content-columns tr,
  .content-columns td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .content-columns td {
    padding: 8px 0;
  }
}