I have a working code here: http://jsfiddle.net/V3Suq/29/
Question
How to make child align to left, for example like this screenshot: Screenshot
HTML
<div class="parent">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
CSS
.parent {
width: 100%;
background: #f00;
height: 210px;
text-align: center;
}
.child {
width: 150px;
height: 100px;
background: #000;
margin: 0 auto;
display: inline-block;
overflow: hidden;
}