body {
    font-family: 'Lato', sans-serif;
    font-weight: 300;
    color: #333;
    font-size: 18px;
  }
  h1 {
    font-size: 40px;
    color: #555;
    font-weight: 400;
    text-align: center;
    margin: 0;
    padding: 0;
    margin-top: 50px;
    margin-bottom: 10px;
  }
  .authors {
    color: #222;
    font-size: 18px;
    font-weight: 300;
    text-align: center;
    margin: 0;
    padding: 0;
    // margin-bottom: 5px;
  }
  .school {
    color: #222;
    font-size: 20px;
    font-weight: 300;
    text-align: center;
    margin: 0;
    padding: 0;
    margin-bottom: 40px;
  }
  .logoimg {
    text-align: center;
    margin-bottom: 20px;
  }
  .container-fluid {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .container {
    margin-top: 30px;
  }
  #footer {
    margin-bottom: 100px;
  }
  .thumbs {
    -webkit-box-shadow: 1px 1px 3px #999;
    -moz-box-shadow: 1px 1px 3px #999;
    box-shadow: 1px 1px 3px #999;
    margin-bottom: 20px;
  }
  h2 {
    font-size: 24px;
    font-weight: 900;
    border-bottom: 1px solid #999;
    margin-bottom: 20px;
    margin-top: 60px; /* Add a top margin to avoid content overlay */
  }
  
  img.center {
      display: block;
      margin-left: auto;
      margin-right: auto;
  }
  
  /*====================================================*/
  
  /* Slide show toggle */
  * {box-sizing:border-box}
  
  /* Slideshow container */
  .slideshow-container {
    max-width: 1400px;
    position: relative;
    margin: auto;
  }
  
  .mySlides {
      display: none;
  }
  
  /* Next & previous buttons */
  .prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    margin-top: -22px;
    padding: 16px;
    color: gray;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
  }
  
  /* Position the "next button" to the right */
  .next {
    right: 0;
    border-radius: 3px 0 0 3px;
  }
  
  /* On hover, add a black background color with a little bit see-through */
  .prev:hover, .next:hover {
    background-color: rgba(0,0,0,0.8);
  }
  
  /* Caption text */
  .text {
    color: #f2f2f2;
    font-size: 15px;
    padding: 8px 12px;
    position: absolute;
    bottom: 8px;
    width: 100%;
    text-align: center;
  }
  
  /* Number text (1/3 etc) */
  .numbertext {
    color: #f2f2f2;
    font-size: 12px;
    padding: 8px 12px;
    position: absolute;
    top: 0;
  }
  
  /* The dots/bullets/indicators */
  .dot {
    cursor:pointer;
    height: 13px;
    width: 13px;
    margin: 0 2px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
  }
  
  .active, .dot:hover {
    background-color: #717171;
  }
  
  /* Fading animation */
  .fade {
    animation-fill-mode: forwards;
    -webkit-animation-name: fade;
    -webkit-animation-duration: 1.0s;
    animation-name: fade;
    animation-duration: 1.0s;
  }
  
  @-webkit-keyframes fade {
    from {opacity: .4} 
    to {opacity: 1}
  }
  
  @keyframes fade {
    from {opacity: .4} 
    to {opacity: 1}
  }
  
  /*====================================================*/
  
  /* Add a black background color to the top navigation */
  .topnav {
      background-color: #333;
      overflow: hidden;
      position: fixed; /* Set the navbar to fixed position */
      top: 0; /* Position the navbar at the top of the page */
      width: 100%; /* Full width */
      z-index: 9999; /* Put navbar on the top of the layers if no others larger than this value*/
  }
  
  /* Style the links inside the navigation bar */
  .topnav a {
      float: left;
      display: block;
      color: #f2f2f2;
      text-align: center;
      padding: 14px 16px;
      text-decoration: none;
      font-size: 17px;
  }
  
  /* Change the color of links on hover */
  .topnav a:hover {
      background-color: #ddd;
      color: black;
  }
  
  /* Hide the link that should open and close the topnav on small screens */
  .topnav .icon {
      display: none;
  }
  
  
  /* When the screen is less than 600 pixels wide, hide all links, except for the first one ("Home"). Show the link that contains should open and close the topnav (.icon) */
  @media screen and (max-width: 600px) {
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      float: right;
      display: block;
    }
  }
  
  /* The "responsive" class is added to the topnav with JavaScript when the user clicks on the icon. This class makes the topnav look good on small screens (display the links vertically instead of horizontally) */
  @media screen and (max-width: 600px) {
    .topnav.responsive {position: fixed;}
    .topnav.responsive a.icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      float: none;
      display: block;
      text-align: left;
    }
  }
  
  #QAQ1{
      float: left;
  }
  #QAQ2{
      float: right;
  }