Can Bootstrap Create Fixed and Fluid Column Layouts?

How to Create a 2 Column Fluid-Fixed Layout with Twitter Bootstrap

Question:

Can you implement a fixed-fluid two-column layout using Twitter Bootstrap?

Solution:

Yes, it is possible with Bootstrap 2.0 onwards but requires some modification to the standard class implementation. Here's a solution using HTML and CSS:

HTML:

<div class="container-fluid fill">
    <div class="row-fluid">
        <div class="fixed">  <!-- Fixed width div -->
            ...
        </div>
        <div class="hero-unit filler">  <!-- Filler div without spanX class -->
            ...
        </div>
    </div>
</div>

CSS:

/* Fixed-fluid layout */
.fixed {
    width: 150px;
    float: left;
}

.fixed + div {
    margin-left: 150px;
    overflow: hidden;
}

/* Equal height columns (optional) */
html, body {
    height: 100%;
}

.fill { 
    min-height: 100%;
    position: relative;
}

.filler:after{
    background-color:inherit;
    bottom: 0;
    content: "";
    height: auto;
    min-height: 100%;
    left: 0;
    margin:inherit;
    right: 0;
    position: absolute;
    top: 0;
    width: inherit;
    z-index: -1;  
}

Explanation:

• Add a .fill class to the outermost div to ensure a minimum height of 100%.
• Float the fixed width column to the left.
• Use pseudo-element in .filler to provide a visual illusion of equal height columns.
• Position the filler div relatively to the .fill div using position: relative.

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