* {
  margin: 0px;
  padding: 0px;
  list-style-type: none;
}

header,
nav,
article,
footer,
aside {
  display: block;
}

.container {
  width: 1350px;
  height: 650;
  margin: 0px auto;
}

.sec {
  float: right;
  padding: 100px 500px 100px 200px;
}
.small {
  width: 250px;
}
.top ul li {
  float: left;
  padding: 50px 100px;
}

.clear {
  clear: both;
}

.right_side ul {
  float: left;
  padding-top: 100px;
}

.navi {
  clear: both;
  text-align: center;
  padding-bottom: 100px;
}

.page_footer {
  clear: both;
  text-align: center;
}