body,
html {
  width: 100%;
  height: 100%;
  font-family: 'Montserrat', sans-serif;
  background-image: url('header.jpg');
  background-position: center;
  background-size: cover;
}
.btn-transform:hover{
  transform:scale(1.1);
}
hr{
  opacity: 1;
  border: 3px solid #dc3545;
  width: 10%;
}
.buffer{
  height: 10rem;
}