#header {
    padding: 2px;
    background-color: grey;
    color: white;
    text-align: center;
    font-family: sans-serif;
}

#kiri {
    width: 250px;
    background-color: lightgrey;
    float: left;
    text-align: left;
    color: darkred;
    font-family: sans-serif;
    padding: 10px;
}

#tengah {
    width: 500px;
    background-color: lightgrey;
    float: left;
    border-width: thick;
    border-color: aqua;
    text-align: left;
    color: darkred;
    font-family: sans-serif;
    font-size: 16;
    padding: 10px;
}

#kanan {
    width: auto;
    overflow: auto;
    background-color: darkred;
    text-align: right;
    color: lightgrey;
    font-family: sans-serif;
    padding: 10px;
}

#footer {
    background-color: grey;
    color: black;
    clear: both;
    text-align: center;
    padding: 10px;
    font-family:sans-serif
}