@charset "utf-8";

* {
  margin: 0;
  padding: 0;
}
ul,
li {
  list-style: none;
}
body {
  font-family: "맑은 고딕", MalgunGothic, Arial, Helvetica, sans-serif;
  font-size: 16px;
  color: #666;
}
a {
  text-decoration: none;
  color: inherit;
}

.box {
  width: 500px;
  height: 200px;
  border: 1px solid #ccc;
  text-align: center;
  line-height: 200px;
  font-weight: bold;
  margin: 0 auto;
  opacity: 0;
}

.box1:first-child {
  margin-top: 100px;
}

.box1 {
  background: #ccc;
}
.box2 {
  background: #ddd;
}
.box3 {
  background: #eee;
}