body{
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 0;
  margin: 0;
  background: url("/img/back.jpg") center center no-repeat;
  background-size: cover !important;
  text-align: center;
  overflow: hidden;
}

header{
  padding: 15vh 15vh 1vh;   
}

header img{
  max-width: 240px; 
}

img{
  max-width: 24px;
}

h1 {
  font-size: 40px;
  font-family: 'Roboto Slab', serif;
}

@media screen and (max-width: 768px) {
  header{
    padding: 27vh 15vh 1vh;
  }

  header img{
    max-width: 140px; 
  }

  h1 {
    font-size: 28px;
  }
}