* {
    margin: 0;
    padding: 0;
}

body {
    background: #eee;
}

#header {
    height: 30px;
    line-height: 30px;
    position: absolute;
    color: #fff;
    font-weight: bold;
    top: 0;
    left: 0;
    background: #c00;
    width: 100%;
}

#map {
    overflow: scroll;
    background: #F6E399;
    position: absolute;
    top: 30px;
    left: 0;
    right: 200px;
    bottom: 0;
}

#sidebar {
    background: #999;
    position: absolute;
    top: 30px;
    right: 0;
    bottom: 0;
    width: 180px;
    padding: 10px;
}

img {
    display: none;
}