body {
    font-family: Arial, Helvetica, sans-serif;
}
#main {
}

#header {
    display: none;
}
#menu {
    display: none;
}
#sidebar {
    display: none;
}
#mainbar-headline {
    display: none;
}
#footer {
    display: none;
}
.button {
    display: none;
}