body {
    background-color:#EBEBEB;
    font-family: "Arial" sans-serif; 
    font-size: 1em;
    color: #000000;
    text-align: left; 
    padding: 30px 50px 30px 50px; 
}

h1 {
    font-family: "Special Elite"; 
    font-size: 9em;
    font-weight: bold;
    color: #002366;
    text-align: center;
    padding-top:100px; 
}

h2 {
    font-family: "Special Elite"; 
    font-size: 3.5em;
    font-weight: bold;
    color: #002366;
    text-align: center;
}

h3 {
    font-family: "Arial" sans-serif;  
    font-size: 1.2em;
    font-weight: bold;
    color: #000000;
    text-transform:underline; 
    text-transform:uppercase;   
}

ul#navigation {
    font-family: "Special Elite";
    font-size: 1.7em;
    font-weight: bold;
    color: #002366;
    text-align: center;
    list-style-type: none;
    padding: 0pt;
    margin: 0pt;
}

ul#navigation li { 
    padding-left:30px; 
    display: inline;
    color: #002366;
}

h2 a:link, h3 a:link {
    color: #002366;
}

h2 a:visited, h3 a:visited {
    color: #002366;
}

ul#navigation li a:visited {
    color: #002366;
}

a:visited {
    color: #3B5323;
}

.hidden_euler_solution { 
    display:none; 
}

.unhidden_euler_solution { 
    display:block; 
    line-height:50%;
    background-color:#FFFFFF;
    padding-top:10px;
    padding-bottom:10px;
    padding-left:100px; 
}