@charset "UTF-8";


.cssgrid1280{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(1fr, 1fr));
  grid-auto-rows: 1fr;
  grid-gap: 0.8em;
  border: 1px solid #ddd;
  padding: 0.8em;
  margin: 0 0 2em;
}

.cssgrid1280 > div{
  background:#000;
  color:  #fff;               /* 文字色F */
  overflow: auto;
  min-width: 0;
  padding: 1em;
}