.list {
    width: 1000px;
    margin: 30px auto;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.list-content {
    margin: 15px 20px 20px 39px;
}

.content-title {
    background: #e6e6e6 url(../images/hd-icon.jpg) no-repeat left;
    border: 1px solid #e6e6e6;
    border-radius: 5px;
    display: inline-block;
    margin-bottom: 5px;
    padding: 2px 15px 2px 30px;
}

.image-list {
    overflow: auto;
}

.content-images {
    width:280px;
    border: 1px solid #ccc;
    float: left;
    margin: 10px 0;
}
.content-images .hd-image {
    margin: 2px;
    overflow: hidden;
}
.content-images .hd-image > img {
    width:100%;
    height:202px;
}

.left-margin {
    margin-left: 40px; 
}