body {
    padding: 0;
    margin: 0;
    font-family: Georgia, "Times New Roman", Times, serif;
    font-size: 18px;
    line-height: 150%;
    color: #333;
    background: rgb(233, 236, 236);
  }
  
  header {
    background: white
  }
  
  h1 {
      
    font-size: 30px;
    font-weight: bolder;
    color: white;
        
  }
  
  h2 {
    font-size: 28px;
    color: lightseagreen;
    font-weight: bold;    
  }
  
  a {
    color: blueviolet;
  }
  
  .navbar-header{
      background-color: lightseagreen;
  }

  .navbar {
      background-color: white;
  }
  
  .container {
    width: 1024px;
    margin: auto;
  }
  
  #main-bio,
  #contact-info, 
  #bio-image {
    float: left;
 }

  #figure {
   position: relative;
 }

  .visualization {
    margin:  30px;
    margin-top: 60px;
    margin-left: 900px;
    margin-right: 40px;
    background-color: white;
 }

 #main-bio {
   margin: 30px; 
   margin-top: 0px;
   width: 70%;
   background-color: white;
 }

 .main-bio p {
    margin: 30px; 
    
  }
 #main {
     background-color: white;
 }
 
 .main-bio {
     margin: 30px;
 }

 .main {
    margin: 30px;
    background-color: white; 
 }

 .main p {
    margin-left: 30px;
 }

 #contact-info {
   width: 30%;
 }

 #bio-image {
   width: 300px;
   height: 200px;
   margin-right: 20px;
   margin-left: 20px;
 }

 #bio-image1 {
    width: 700px;
    height: 500px;
    margin-left: 100px;    
 }

 
 .column {
    float: left;
    width: 50%;
    padding: 5px;
    background-color: white;
 }
.navbar-brand{
    background-color: lightseagreen;
    text-align: center;
 }
 .

.dataframe tr:nth-child(even){
    background-color: #f2f2f2;
}
 .dataframe tr {
    text-align: center;
 }

.dataframe{
    margin-left: 100px;   
    
}
 .navbar-toggler {
     visibility: hidden;
 }



 

  /* Adding media queries to show the drop-down, and hide the navbar when the screen is smaller than 800 pixels */
@media (max-width: 800px) {
       
    .column {
        width: 100%; 
        float: none;    
    }
    
    .container-fluid{
        background-color: lightseagreen;
    }
    .navbar-toggler {
        visibility: visible;
    }
  
     #bio-image1 {
        width: 300px;
        height: 200px;
        margin-left: 50px;    
     }
     .visualization { 
        margin-bottom: 10px;
        margin-left: 20px;
     }

     #visual {
         float: none;
     }
     
     .main-bio p {
        margin-right: 10px;
        margin-left: 60px;
        float: right;
        align-items: center;
    }

     .table {
        overflow-x:auto;
        overflow-y:auto;
        max-height:800px;
        max-width: auto;
    }

  }