.section {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  height: 100vh;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  background-image: url('../images/joel-filipe-QwoNAhbmLLo-unsplash.jpg');
  background-position: 50% 50%;
  background-size: cover;
}

.footer {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.logo {
  width: 500px;
  margin-top: auto;
  margin-right: auto;
  margin-left: auto;
}

.div-block {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}

.link {
  font-family: Roboto, sans-serif;
  color: #fff;
  text-decoration: none;
  text-transform: none;
}

.paragraph {
  max-width: 400px;
  font-family: Roboto, sans-serif;
  color: #fff;
  font-size: 20px;
  text-align: center;
  text-transform: uppercase;
}

#demo {
  max-width: 400px;
  font-family: Roboto, sans-serif;
  color: #fff;
  font-size: 20px;
  text-align: center;
  text-transform: uppercase;
}

.div-block-2 {
  margin-top: 100px;
  margin-bottom: 100px;
}

.container {
  margin-top: 20px;
  font-family: Roboto, sans-serif;
  font-size: 15px;
}

.paragraph-2 {
  margin-top: 20px;
  line-height: 40px;
}

.heading {
  font-size: 20px;
  font-weight: 500;
}