header {
    text-align: center;
    font-family: "Lora", Georgia, serif;
    font-size: 40px;
    font-weight: 900;
    color: #444;
    padding-top: 15px;
    padding-bottom: 20px;
  }
  
  table {
    margin-top: 5px;
    padding-botton: 5px;
  }

  body {
    text-align: justify;
    font-family: "Lora", Georgia, serif;
    margin-right: 10%;
    margin-left: 10%;
    font-size: 15px;
  }
  
  p {
    text-align: justify;
    font-family: "Lora", Georgia, serif;
    margin-right: 10%;
    margin-left: 10%;
    font-size: 1.2em;
  }
  
  embed {
    width: 100%;
    height: 100%;
  }
  

  /* for adding additional navigation pages
  nav {
    text-align: center;
    margin-top: 10px;
  }
  */
  
  
  /* Boxes */
  
  .test_box {
      padding: 0;
    margin-left: 50px;
  }
  .test_box .inner {
      background: #333;
      display: block;
      margin: 10px;
      overflow: hidden;
  }
  .test_box .inner .test_click {
      -webkit-align-content: center;
      -ms-flex-line-pack: center;
      align-content: center;
      -webkit-align-items: center;
      -ms-flex-align: center;
      align-items: center;
      background-color: rgba(0,0,0,.05);
      display: -webkit-flex;
      display: -ms-flexbox;
      display: flex;
      flex-wrap: wrap;
      height: 300px;
      mix-blend-mode: normal;
      text-align: center;
      text-decoration: none;
      -webkit-transition: all 300ms ease;
      transition: all 300ms ease;
  
  }
  .test_box .inner .test_click:hover {
      background-color: #262626;
  }
  .flex_this {
      -webkit-align-content: center;
      -ms-flex-line-pack: center;
      align-content: center;
      display: inherit;
      flex-wrap: inherit;
      height: auto;
      margin: 0;
      padding: 10px;
      -webkit-transition: all 300ms ease;
      transition: all 300ms ease;
      width: 100%;
  
  }
  .test_box .inner .test_click:hover .flex_this {
      margin-top: -8px;
  }
  
  .test_title {
      display: block;
      font-weight: 700;
      margin: 0 auto;
    text-align: center;
    color: white;
    border: 2px solid #444;
    display: inline-block;
    padding: 10px 30px;
    text-align: center;
    position: relative;
    background-color: rgba(75,74,74, .8)
  }
  
  
  .box-01 .inner {
      background-image: url('https://github.com/vrdi/pareto-sets/blob/pa-work/biased_and_normal_recom.png?raw=true');
      background-position: 50% 50%;
      background-repeat: no-repeat;
      background-size: cover;
      width: 45%;
    float: left;
    text-align: center;
  }
  .box-02 .inner {
      background-image: url('https://github.com/vrdi/optimal-transport/blob/master/flip_and_recom.png?raw=true');
      background-position: 50% 50%;
      background-repeat: no-repeat;
      background-size: cover;
      width: 45%;
    float: left;
    align-content: center;
  }
  .box-03 .inner {
      background-image: url('https://github.com/vrdi/vrdi.github.io/blob/master/images/Metagraph_visualizations.png?raw=true');
      background-position: 60% 10%;
    background-repeat: no-repeat;
      background-size: cover;
    width: 45%;
    float: left;
    align-content: center;
    background-color: white;
  }
  
  .box-04 .inner {
      background-image: url('https://github.com/FlorisWu/machine-learning-algorithm/blob/master/machine_learning.png?raw=true');
       background-position: 50% 50%;
      background-repeat: no-repeat;
      background-size: 650px;
      width: 45%;
      float: left;
      align-content: center;
    background-color: white;
  }
  
  .box-05 .inner {
      background-image: url('https://github.com/FlorisWu/FlorisWu.github.io/blob/master/Twitter_sentiment_analysis.png?raw=true');
      background-position: 50% 50%;
      background-repeat: no-repeat;
    background-size: 500px;
      width: 45%;
      float: left;
      align-content: center;
    background-color: white;
  }

  .box-06 .inner {
    background-position: 50% 50%;
    background-repeat: no-repeat;
  background-size: 500px;
    width: 45%;
    float: left;
    align-content: center;
  background-color: white;
}


  
  .row {
  text-align: center;
  position: relative;
  margin: 0;
  padding: 0;
  
  }
  
  center {
   margin-top: 20px;
   font-size: 13px;
  
  }
  
  
  /* Format change for various screen sizes*/
  @media only screen and (max-width: 800px) {
    header {
      font-size: 38px;
    }
  }
  
  @media only screen and (max-width: 400px) {
    header {
      font-size: 30px;
    }
  }
  
  @media only screen and (max-width: 800px) {
    button {
      font-size: 13px;
    }
  }
  
  @media only screen and (max-width: 400px) {
    button {
      font-size: 10px;
      margin-left: 4px;
      margin-right: 5px;
    }
  }