body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
}

#menu, #sisu {
    display: inline-block;
    vertical-align: top;
}

#menu {
    width: 25%;
    margin-right: 20px;
}

#menu ul {
    list-style-type: none;
    padding: 0;
}

#menu li {
    margin-bottom: 10px;
}

#sisu {
    width: 65%;
}