Could this do for you? Check my JSFiddle
And the code:
HTML
<div class="container">
<div class="div1">Div 1</div>
<div class="div2">Div 2</div>
</div>
CSS
div.container {
background-color: #FF0000;
margin: auto;
width: 304px;
}
div.div1 {
border: 1px solid #000;
float: left;
width: 150px;
}
div.div2 {
border: 1px solid red;
float: left;
width: 150px;
}