* {
  box-sizing: border-box;
}

*:before,
*:after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  position: relative;
  font-family: 'Roboto';
  letter-spacing: 2px;
  font-size: 16px;
}

.main-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-info {
  background: #333;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #ffd17a;
  background-size: cover;
  color: #fff;
  font-size: 1.4vw;
  padding: 2rem 6%;
}

.header-title {
  text-align: center;
  line-height: 5vw;
  height: 5vw;
  font-size: 2.5vw;
  font-weight: bold;
  color: #FFF;
  letter-spacing: 12px;
}

.header-title,
.footer-spacer {
  background-image: -moz-linear-gradient(
    90deg,
    rgb(181, 127, 0) 0%,
    rgb(213, 156, 0) 100%
  );
  background-image: -webkit-linear-gradient(
    90deg,
    rgb(181, 127, 0) 0%,
    rgb(213, 156, 0) 100%
  );
  background-image: -ms-linear-gradient(
    90deg,
    rgb(181, 127, 0) 0%,
    rgb(213, 156, 0) 100%
  );
}

.header-title {
  border-bottom: 2px solid #fff;
}

.btn {
  font-weight: bold;
  padding: 0.2vw 1vw;
  font-size: 1.5vw;
  width: 10vw;
  color: #fff;
  border-radius: 5px;
}

.logo-img {
  width: 25%;
  margin-bottom: 2.5vw;
}

.footer-spacer {
  height: 3vw;
}

.main-info div {
  margin-bottom: 2.5vw;
}

.main-info div:last-child {
  margin-bottom: 0;
}

/* mobile responsive */

@media only screen and (max-width: 1200px) and (orientation: portrait) {
  .header-title {
    height: 9vw;
    line-height: 9vw;
    font-size: 5vw;
  }
  .main-info {
    font-size: 3vw;
  }
  .main-info div {
    margin-bottom: 5vw;
  }
  .footer-spacer {
    height: 7vw;
  }
  .logo-img {
    width: 75%;
    margin-bottom: 5vw;
  }
  .btn {
    padding: 1vw 2vw;
    font-size: 3vw;
    width: 22vw;
    border-radius: 5px;
  }
}

@media only screen and (max-width: 991px) {
  .header-title {
    height: 9vw;
    line-height: 9vw;
    font-size: 5vw;
  }
  .main-info {
    font-size: 3vw;
  }
  .main-info div {
    margin-bottom: 5vw;
  }
  .footer-spacer {
    height: 7vw;
  }
  .logo-img {
    width: 75%;
    margin-bottom: 5vw;
  }
  .btn {
    padding: 1vw 2vw;
    font-size: 3vw;
    width: 22vw;
    border-radius: 5px;
  }
}

@media only screen and (max-width: 767px) {
  .header-title {
    height: 13vw;
    line-height: 13vw;
    font-size: 6.5vw;
  }
  .main-info {
    font-size: 4vw;
  }
  .main-info div {
    margin-bottom: 5vw;
  }
  .footer-spacer {
    height: 10vw;
  }
  .logo-img {
    width: 75%;
    margin-bottom: 5vw;
  }
  .btn {
    padding: 1vw 2vw;
    font-size: 4vw;
    width: 25vw;
    border-radius: 5px;
  }
}