body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  background-image: url("background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

main {
  flex: 1 0 auto;
  max-width: 800px;
  margin: auto;
}

#title {
  color: #FFFFFF;
  font-family: 'Roboto', sans-serif;
  text-shadow: 5px 5px 10px #000000;
}

#subtitle {
  color: #FFFFFF;
  font-family: 'Roboto', sans-serif;
  text-shadow: 5px 5px 10px #000000;
}

.main-card {
  margin-top: 5%;
}

@media screen and (max-width: 801px) {
    #title {
      font-size: 10vw;
    }

    #subtitle {
      font-size: 5vw;
    }
}

@media screen and (min-width: 801px) {
    #title {
      font-size: 8vw;
    }

    #subtitle {
      font-size: 4vw;
    }
}

@media screen and (min-width: 1281px) {
    #title {
      font-size: 6vw;
    }

    #subtitle {
      font-size: 3vw;
    }
}