/* ----------------
  main
----------------  */
#main {
	width: calc(100% - 310px);
	margin: 0 0 50px 0;
}

h3 {
  font-size: 2em;
  color: #133;
  text-align: center;
}

#category_button {
	width: 90%;
	margin: 100px 0 40px 5%;
	padding: 0 0 30px 0;
	border-bottom: 3px solid #ddd;
	border-radius: 3px;
  text-align: center;
}
.category_button {
	display: inline-block;
	font: 18px bold;
	color: #eee;
	text-align: center;
	padding: 5px 30px;
	margin: 5px 3px;
	background: #133;
	border-radius: 5px;
}

.content_box {
  width: 70%;
  margin: 0 15%;
  text-align: center;
  display: none;
}
#basic {
  display: block;
}

.content {
  margin: 40px 0;
  background: #ddd;
  border-radius: 20px;
  padding: 10px 0;
}
.content p {
  width: 70%;
  margin: 20px 0 50px 15%;
  font-size: 18px;
  font-weight: bold;
  text-align: left;
  line-height:30px;
}
.content a {
  color:yellow;
}
.content a:hover {
	color:red;
}


.img_1 {
  width: 70%;
}
.img_2 {
  width: 60%;
}
.img_3 {
  width: 50%;
}
.img_4 {
  width: 40%;
}
.img_5 {
  width: 30%;
}