#hzdwzsdiv:after {
    display: block;
    content: "";
    clear: both;
}

.hitem {
    width: 210px;
    padding: 10px;
    float: left;
    border: solid 1px #eaeaea;
    margin-right: 13px;
    margin-bottom: 18px;
}

.hitem:nth-child(4),
.hitem:nth-child(8),
.hitem:nth-child(12),
.hitem:nth-child(16),
.hitem:nth-child(20),
.hitem:nth-child(24),
.hitem:nth-child(28),
.hitem:nth-child(32)
{
    margin-right: 0;
}