.frame {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
  }
  img {
    vertical-align: middle;
  }


 .cycleficontainer {
    position: relative;
    display: block;
    height: 280px;
    margin: 0 auto;
  }
  .cyclefipic {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-animation: fade 8s infinite;
    animation: fade 8s infinite;
  }


  #cyclefipic1 {
    animation-delay: 0s;
    background-image: url('images/cyclefi_1.png');
  }
  
  #cyclefipic2 {
    animation-delay: 2s;
    background-image: url('images/cyclefi_2.png');
  }
  
  #cyclefipic3 {
    animation-delay: 4s;
    background-image: url('images/cyclefi_3.png');
  }
  
  #cyclefipic4 {
    animation-delay: 6s;
    background-image: url('images/cyclefi_4.png');
  }
   .trenchescontainer {
    position: relative;
    display: block;
    height: 280px;
    margin: 0 auto;
  }
  .trenchespic {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-animation: fade 8s infinite;
    animation: fade 8s infinite;
  }


  #trenchespic1 {
    animation-delay: 0s;
    background-image: url('images/T2_iPhone5_Retina_1.png');
  }
  
  #trenchespic2 {
    animation-delay: 2s;
    background-image: url('images/T2_iPhone5_Retina_2.png');
  }
  
  #trenchespic3 {
    animation-delay: 4s;
    background-image: url('images/T2_iPhone5_Retina_3.png');
  }
  
  #trenchespic4 {
    animation-delay: 6s;
    background-image: url('images/T2_iPhone5_Retina_4.png');
  }
  
  #trenchespic5 {
    animation-delay: 8s;
    background-image: url('images/T2_iPhone5_Retina_5.png');
  }
   .audio_tour_alaskacontainer {
    position: relative;
    display: block;
    height: 280px;
    margin: 0 auto;
  }
  .audio_tour_alaskapic {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-animation: fade 8s infinite;
    animation: fade 8s infinite;
  }


  #audio_tour_alaskapic1 {
    animation-delay: 0s;
    background-image: url('images/audio_tour_ak_1.png');
  }
  
  #audio_tour_alaskapic2 {
    animation-delay: 2s;
    background-image: url('images/audio_tour_ak_2.png');
  }
  
  #audio_tour_alaskapic3 {
    animation-delay: 4s;
    background-image: url('images/audio_tour_ak_3.png');
  }
  
  #audio_tour_alaskapic4 {
    animation-delay: 6s;
    background-image: url('images/audio_tour_ak_4.png');
  }
   @-webkit-keyframes fade {
    0% {
      opacity: 1;
    }
    15% {
      opacity: 1;
    }
    25% {
      opacity: 0;
    }
    90% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }
  @keyframes fade {
    0% {
      opacity: 1;
    }
    15% {
      opacity: 1;
    }
    25% {
      opacity: 0;
    }
    90% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }