@charset "utf-8";

.menu {
  text-align:center;
  margin:auto;
  margin-top: 100px;
  margin-bottom: 300px;
  width: 100%;
}

.product {
  width:150px;
  height:150px;
  display:inline-block;
  border: 1px solid gray;
  border-radius: 5px;
  margin: 20px 20px;
}
.product_img {
  display:block;
  width: 120px;
  height: 120px;
  margin:auto;
}
.img_sample {
  background-image: url("../images/sample120px.png");
  background-size: 120px 120px;
}
.img_development {
  background-image: url("../images/development.png");
  background-size: 120px 120px;
}
.img_wiki {
  background-image: url("../images/wiki.png");
  background-size: 120px 120px;
}
.product_title {
  display:block;
}