body, html {
  width: 100%;
  height: 100%;
  border: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.main_grid {
  display: grid;
  width: 100%;
  height: 100%;
  grid-template-columns: repeat(24, 1fr);
  grid-template-rows: 1fr 1fr;
  gap: 0px 0px;
}

.main_grid_item {
  display: flex;
  flex-flow: column nowrap;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(128, 128, 128, 0.5);
}

.url_grid {
  display: grid;
  grid-template-columns: auto 10em 2em;
  grid-template-rows: 1fr;
  width: 100%;
}