.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

.container {
  width: 1200px;
  margin: 150px auto 40px;
}

h1 {
  text-align: center;
  margin: 40px 0 70px 0;
  color:#fff;
}

h2 {
  margin: 0;
  text-align: center;
  font-size: 22px;
  color: #999;
}

img {
  display: block;
}

.container ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container li {
  float: left;
  margin: 0 20px 30px;
  display: none;
}

.btn {
  font-size: 18px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  display: block;
  margin: 0 auto;
  width: 200px;
  height: 60px;
  line-height: 60px;
  background: #E74C3C;
  border-bottom:3px solid #C0392B;
  text-align: center;
  border-radius:3px;
}