How to get this 2 columns layout (were one fits to content)

Question

Please note

• the vertical scrollbars shoud show up when needed
• left columns fits to width
• right column takes the rest of the space

Answer 1

HTML

CSS

body, html {
    width: 100%;
    height: 100%;
    background-color: black;
    padding: 0;
    margin: 0;
}
.main {
    background-color: white;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
}
.main, .header, .left, .right, .mid, .footer {
    position: absolute;
}
.header {
    height: 100px;
    top: 0px;
    left: 0px;
    right: 0px;
    border-bottom: 4px solid black;
}
.mid {
    top: 104px;
    left: 0px;
    right: 0px;
    bottom: 14px;
}
.left {
    overflow-y:auto;
    width: 100px;
    top: 0px;
    bottom: 0px;
}
.right {
    overflow-y:auto;
    top: 0px;
    bottom: 0px;
    left: 100px;
    right: 0px;
    border-left: 4px solid black;
}
.footer {
    left: 0px;
    right: 0px;
    bottom: 0px;
    height: 10px;
    border-top: 4px solid black;
}

Working Fiddle (as shown in your post)