body,h1 {font-family: "Raleway", sans-serif}
body, html {height: 100%}

.bgimg {
  background:linear-gradient(
    rgba(109, 109, 109, 0.45), 
    rgba(104, 104, 104, 0.45)
  ), url('images/sciences.jpg');
  min-height: 100%;
  background-position: center;
  background-size: cover;
}