body {
    background: #000000;
    color: #ffffff;
    margin-top: 0px;
    padding-top: 0px;
}

div.main {
    text-align: center;
    width: 660px;
    margin-left: auto; 
    margin-right: auto;
}

div.text {
    text-align: justify;
}

a {
    color: #fe9900;
    background: #000000;
}

a:hover {
    color: #FFFFFF;
    background: #fe9900 none;
}

div.heading {
    padding-top: 4px;
    padding-bottom: 4px;
    font-size: 1.5em;
}

div.instruments {
    font-size: 1.2em;
    font-weight: bold;
}