body, html {
  height: 100%;
}

nav{
  font-size: 150%;
}

#hero {
  width: 100%;
  height: 75vh;
  background: url("https://mdbootstrap.com/img/Photos/Horizontal/Nature/full page/img(20).jpg") top left;
  background-size: cover;
  position: relative;
}

#hero:before {
  content: "";
  background: rgba(255, 255, 255, 0.6);
  position: absolute;
  bottom: 0;
  top: 0;
  left: 0;
  right: 0;
}

#hero .container {
  position: relative;
}

#hero h1 {
  margin: 0;
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  color: #222222;
  font-family: "Poppins", sans-serif;
}

#hero h1 span {
  color: #106eea;
}

#hero h2 {
  color: #555555;
  margin: 5px 0 30px 0;
  font-size: 24px;
  font-weight: 400;
}

#hero .btn-get-started {
  font-family: "Roboto", sans-serif;
  text-transform: uppercase;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 1px;
  display: inline-block;
  padding: 10px 28px;
  border-radius: 4px;
  transition: 0.5s;
  color: #fff;
  background: #106eea;
}

#hero .btn-get-started:hover {
  background: #247cf0;
}

#hero .btn-watch-video {
  font-size: 16px;
  transition: 0.5s;
  margin-left: 25px;
  color: #222222;
  font-weight: 600;
  display: flex;
  align-items: center;
}

#hero .btn-watch-video i {
  color: #106eea;
  font-size: 32px;
  transition: 0.3s;
  line-height: 0;
  margin-right: 8px;
}

#hero .btn-watch-video:hover {
  color: #106eea;
}

#hero .btn-watch-video:hover i {
  color: #3b8af2;
}

@media (min-width: 1024px) {
  #hero {
    background-attachment: fixed;
  }
}

@media (max-width: 768px) {
  #hero {
    height: 100vh;
  }
  #hero h1 {
    font-size: 28px;
    line-height: 36px;
  }
  #hero h2 {
    font-size: 18px;
    line-height: 24px;
    margin-bottom: 30px;
  }
  #hero .btn-get-started, #hero .btn-watch-video {
    font-size: 13px;
  }
}

@media (max-height: 500px) {
  #hero {
    height: 120vh;
  }
}