* {
    margin: 0;
    padding: 0;
    box-sizing:border-box;
    font-family: Arial, Helvetica, sans-serif;   
    
}


#wrapper{

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    background: white;
}

html{

    height: 100%;

}

body{   

    height: 100%;
    background-color: white;
    border: solid 0px;   
    width: 100vw; 

}



header{    

    background-color: #2075a3;
    text-align: center;  
    min-height: 10%;
    max-height: 10%;
    align-content: center;
    width: 100%;      
}


nav{

    background-color: aqua;  
    width: 100%;  
    align-content: center; 
    display: flex;    
}
 

  nav a {
    color: white;
    padding: 14px 20px;
    text-decoration: none;
    text-align: center;  
  
  }
   
  nav a:hover {
    background-color: #ddd;
    color: black;
  }


main{    
     
    background-color: lightblue;
    border: solid 1px;
    margin-top: 0px;
    margin-left: 4%;
    margin-right: 4%;
    margin-bottom: 0px;
    min-height: 93%;
    max-width: 1200px;
    min-width: 80%;  

}

footer{   

    background-color: #2A6F97;         
    min-height: 4%;
    max-height: 4%;
    width: 100%;    
}

h1{

    background-color: rgb(23, 87, 161);
    text-align: center;
    padding: 10px;  
}

h2{   

    background-color: aquamarine;     
    padding: 5px;
}


p{    
    font-family: Georgia, Garamond, sans-serif;
    color: black;  
    margin: 15px;
}

ul{

    margin: 15px;
    list-style-type: square;
    list-style-position: inside;
    padding-left: 15px;

}

table{

    margin: 15px;
    border: 1px solid black;

}

th, td{

    border: 2px solid black; 
    padding: 10px;
    text-align: center;
}
h3{
    
    margin: 10px;

}