Inline block

dabblet.css

/**
 * Inline block
 */

body {
    padding-top: 3em;
    text-align: center;
}
div {
    background-color: #aaa;
    display: inline-block;
    width: 20%;
    /* baseline | sub | super | top | text-top | middle | bottom | text-bottom | <percentage> | <length> | inherit */
    vertical-align: text-top; 
    
    /* Fix for IE7 and below */
    zoom: 1;
    *display: inline;
}
.alpha {
    height: 4.5em;
}
.beta {
    height: 6em;
}
.delta {
    height: 3em;
}

dabblet.html

<div class="alpha"></div>
<div class="beta"></div>
<div class="delta"></div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}