body {
    background-color: white;
    font-family: verdana;
    text-align: center;
     
    font-size: 16px;
    }

h1   {color: deepskyblue;}
h2   {color: deepskyblue;}


.topnav {
    background-color:#3c3c3c;
    color:deepskyblue;
    text-align: left;
    padding: 20px 50px 20px 0;
    }

.topnav a {    
    color: deepskyblue;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    font-family: verdana;
    }




#text{
    text-align: left;
    margin-left: 100px;
    margin-right: 100px;
    
    
}

#list{
    text-align: left;
    margin-left: 120px;
    align-items: center;
    align-content: center;
}

#listImg{
    
   align-items: center;
    align-content: center; 
    text-align: center;
}


a:link{
    
    text-decoration: none;   
}


code{
  
    text-align: left;
    color:blue;
    font-size: 15px;
    font-family:monospace;
    background-color: lightgray;
    border:
   
    padding: 20px 50px 20px 150px;
    
}

.history{
     background-color: lightgray;
    font-family:monospace;
    font-size: 15px;
    color:crimson;
    text-align: left;
    margin-left: 100px;
}



table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
   margin-left: 100px;
}

th, td {
    padding: 5px;
}


tbody {
    display: table-row-group;
    vertical-align: middle;
    border-color: inherit;
}