Text floating in block next to image

.content {
    width: 400px;
    border: 4px solid red;
    padding: 20px;
    overflow: hidden;
}

.content img {
    margin-right: 15px;
    float: left;
}

.content h3,
.content p{
    margin-left: 15px;
    display: block;
    margin: 2px 0 0 0;
}

<div class="content">
    <img src="http://cdn4.iconfinder.com/data/icons/socialmediaicons_v120/48/google.png"/ alt="" >
    <h3>Title</h3>
    <p>Some Description</p>
</div>​