.tile {
  background-size: cover;
  height: 350px;
  position: relative;
}
    
#red1 {
background-image: url("../assets/images/redhill/IMG_1013.jpg");
}

#red2 {
background-image: url("../assets/images/redhill/IMG_1018.jpg");
}

#red3 {
background-image: url("../assets/images/redhill/IMG_1020.jpg");
}

#red4 {
background-image: url("../assets/images/redhill/IMG_1025.jpg");
}

#red5 {
background-image: url("../assets/images/redhill/IMG_1026.jpg");
}

#red6 {
background-image: url("../assets/images/redhill/IMG_1031.jpg");
}

#red7 {
background-image: url("../assets/images/redhill/IMG_1039.jpg");
}

#red8 {
background-image: url("../assets/images/redhill/IMG_1046.jpg");
}

#red9 {
background-image: url("../assets/images/redhill/Red\ Hill\ 1.jpg");
}

#red10 {
background-image: url("../assets/images/redhill/Red\ Hill\ 2.jpg");
}

#red11 {
background-image: url("../assets/images/redhill/Red\ Hill.jpg");
}

#red12 {
  background-image: url("../assets/images/redhill/AJ6751.jpg");
}

#red13 {
  background-image: url("../assets/images/redhill/AJ6777.jpg");
}

#red14 {
  background-image: url("../assets/images/redhill/AJ6859.jpg");
}

#red15 {
  background-image: url("../assets/images/redhill/AJ6916_17_18.jpg");
}

#red16 {
  background-image: url("../assets/images/redhill/AJ6924.jpg");
}

#red17 {
  background-image: url("../assets/images/redhill/AJ6940_41_43.jpg");
}

#red18 {
  background-image: url("../assets/images/redhill/AJ6950_51_52.jpg");
}

#red19 {
  background-image: url("../assets/images/redhill/AJ6974.jpg");
}

#red20 {
  background-image: url("../assets/images/redhill/AJ7089.jpg");
}

#red21 {
  background-image: url("../assets/images/redhill/AJ7246.jpg");
}

@media only screen and (max-width: 350px) {
    .cover-heading {
        font-size: 3em;
    }
  
    .navbar-brand {
      width:50%;
    }
  
    .masthead-brand 
      width:50%;
      height:50%;
    }
  
    .inner img {
      width: 120px;
    }
  }