html, body
{
   margin: 0;
   padding: 0;
   height: 100%;
   background-color: #503264;
   box-sizing: border-box;
}

*, ::before, ::after { 
 
    box-sizing: inherit; 
}

a { text-decoration:none; }
a:link    { color: #00009F; }
a:visited { color: #00009F; }
a:hover   { background: red; color: #FF0000; }
a:active  { color: #FF0000; }

#main {
    
    width: 100%;
    height: 100%;
    text-align: center;
    padding-top: 20px;
}

#title {
    
    font-size: 30pt;
    color: #C0C0C0;
}

#main img {
    
    margin-top: 20px;
    border: 1px solid #C0C0C0;
}

#links {
    
    margin-top: 20px;  
    text-align: center;
}

#links a {
    
    display: inline-block;
    width: 200px;
    height: 30px;
    font-size: 15pt;
    padding-top: 2pt;
    background: #EFEEF0;
    color: #989898;
    font-weight: bold;
    margin: 3px;
    border: 1px solid #EFEEF0;
}

#links a:hover {
    
    background: darkgreen;
    color: black;
    border: 1px dotted #989898;
}