a:link { 
    color: blue;
    background-color: bisque;
}

a:visited {
    color:blue;
    background-color:bisque;
}
a:hover {
    color: darkgreen;
    background-color: ivory; 
}
a:active {
 color: red;
 background-color: ivory;
}

#main {
    position: relative;
    left: 0;
    top: 0;
    color: blue;
    max-width:600px;
    background-color: skyblue;
    padding: 12px;
    font-family: consolas;
    font-size: 14pt;

}

.links {
    position: fixed;
    bottom: 0;
    right: 0;
    width:230px;
    color: darkgreen;
    background-color: moccasin;
    font-family: "Times New Roman",serif;
    font-size: 14pt; 
    z-index: 1;
}
.result {
    font-family: verdana,sans-serif;
    font-size: 12pt;
    padding: 12px;
    color: darkgreen;
    background-color: gold;
}
.err {
    color: red;
    background-color: goldenrodyellow;
}
.info {
    font-family: verdana,sans-serif;
    font-size: 14pt;
    padding: 12px;
    color: mediumblue;
    background-color:lightgreen;
}
th,td {
    color: black;
    background-color:goldenrodyellow;
    border-style: solid;
    border-width: thin;
    border-color: darkblue;
    padding: 12px;
    font-family: verdana,sans-serif;
    font-size: 14pt;
}

table {
    border-collapse:collapse ;
}
.right {
    text-align: right;
}
.cent {
    text-align: center ;
}