.sold_out {
    color: red;
}
 #slider div {
    width: 100% !important;
  }

#slider div img {
    width: 100% !important;
    height: auto;
  }

#cards {
  display: flex;
  justify-content: center;
}

.card {
  width: 300px;

  border: 1px solid lightgray;
}

.card:nth-child(2) {
  margin-right: 10px;
  margin-left: 10px;
}

.picture img {
  width: 100%;

}

.description {
  width: 100%;
  height: 40px;
  padding-right: 12px;
  padding-left: 12px;
  box-sizing: border-box;
  display: table;	/*BOXをテーブルに変更*/
}

.description p {
  font-size: 13px;
  text-align:center;
  display: table-cell;
  vertical-align: middle;	/*上下の中央揃え指定*/
  color: dimgray;
}