.content_title {
    float: left;
    width: 500px;
    height: 20px;
    background-color: #000000;
}
.content {
    float: left;
    width: 660px;
    height: auto;
    font-size: 12px;
    color: #000000;
    line-height: 18px;
    margin-left: 15px;
}