* {
  margin: 0;
  padding: 0;
}
body {
  background: url("./img/bg.jpg") no-repeat center center fixed;
  background-size: cover;
}
.container {
  position: relative;
  width: 100vw;
  height: 100vh;
  margin: 0 auto;
  background: rgba(0, 0, 0, 0.7);
}
.container .content {
  margin: 0 auto;
  width: 7.5rem;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}