nav {
  
    /* width: 80%; */
   font-family: Verdana, Geneva, Tahoma, sans-serif;
   font: 16px sans-serif;
   justify-content: center;
   /* text-align: center;
   align-self: center; */
}


nav table  {
    table-layout: auto;
    background-color: lightgray;

    width: 75%;
    align-self: center;
    margin-left:auto; 
    margin-right:auto; 
    text-align: center;
    border-top: 1pt;
    border-bottom-style: groove;
    border-bottom-color: black;
    /* border-top-color: black; */
    /* border-top-style: groove; */
}

nav a {
    text-decoration: none;
}

nav a:link {
    color: black;
}
nav a:hover {
    color:black;
    font-weight: bold;

}

nav a:visited {
    color: black;
}

nav a:active {
    color: blue;
    /* background-color: gray; */
}

footer {
    justify-content: center;
  
    /* width: 80%; */
    /* height: 2em; */
   font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
   font: 16px sans-serif;
}
footer a {
    text-decoration: none;
}

footer a:link {
    color: black;
}
footer a:hover {
    color:black;
    font-weight: bold;
    un
}
footer a:visited {
    color: black;
}

footer table {
    background-color: lightgray;

    width: 75%;
    align-self: center;
    margin-left:auto; 
    margin-right:auto; 
    text-align: center;
    /*border-top: 1pt;*/
    border-top-style: groove;
    border-top-color: black;
    /* border-top-color: black; */
    /* border-top-style: groove; */
}