html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  color: #fff;
}

a {
  text-decoration: none;
}

body {
  display: flex;
  flex-direction: column;
  background: url(../images/bg.jpg) no-repeat center center;
}

.header {
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  color: #fff;
  font-size: 48px;
  line-height: 70px;
}

.header .link {
  display: flex;
}

.header a {
  margin-left: 32px;
  color: #fff;
  font-size: 20px;
  line-height: 70px;
}

.main {
  position: relative;
  flex: 1;
}

.main div {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 140px;
}

.footer {
  height: 70px;
  text-align: center;
  line-height: 30px;
}

.footer div {
  font-size: 20px;
}

.footer div:last-child {
  font-size: 16px;
}

@media screen and (min-width: 2000px) {
  body {
    background-size: cover;
  }
}