<style>
 .container { width:300px; }
 .container div { float:left; width:100px; height:100px; }
</style>

<div class="container">
	<div>1</div>
	<div>2</div>
	<div>3</div>
	<div>4</div>
	<div>5</div>
	<div>6</div>
	<div>7</div>
	<div>8</div>
	<div>9</div>
</div>