body {
  background: url(../images/bg.jpg ) no-repeat center;
  background-color: #000;
  margin: 0;
  padding: 0;
}
.content {
  width: 600px;
  max-width: 100%;
  margin: 70px auto 0 auto;
}
.content .btn-box {
  margin-top: 10px;
  text-align: center;
}
@media (max-width: 991px) {
  .content {
    margin: 100px auto 0 auto;
  }
}
.logo {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 100%;
  text-align: right;
}
.logo img {
  max-width: 30%;
}
.copyright {
  position: absolute;
  top: 20px;
  left: 20px;
}
@media (max-width: 991px) {
  .copyright {
    display: none;
  }
}
.contact {
  position: fixed;
  bottom: 20px;
  left: 20px;
  color: #ababab;
  font-size: 12px;
  font-family: 'NanumGothic', 'Malgun Gothic', sans-serif;
}
@media (max-width: 991px) {
  .contact {
    font-size: 10px;
    color: rgba(171, 171, 171, 0.7);
  }
}
.btn.btn-ghost {
  border-radius: 0;
  background-color: transparent;
  border: 1px solid #FFF;
  color: #FFF;
  text-decoration: none;
  font-size: 16px;
  font-family: 'Exo 2', 'NanumGothic', 'Malgun Gothic';
  display: inline-block;
  padding: 12px 0;
  width: 150px;
  max-width: 30%;
  margin: 10px;
  text-align: center;
  font-weight: bold;
}
@media (max-width: 991px) {
  .btn.btn-ghost {
    font-size: 10px;
    width: 24%;
    margin: 5px;
    max-width: none;
  }
}
.btn.btn-ghost:active {
  background: transparent;
}