/* style for waterfall grid */
.wf-container {
    margin: 0 auto;
}
.wf-container:before,.wf-container:after {
    content: '';
    display: table;
}
.wf-container:after {
    clear: both;
}
.wf-box {
    margin: 10px;
}
.wf-box img { 
    display: block;
    width: 100%;
}
.wf-box .content {
    border: 1px solid #ccc;
    border-top-width: 0;
    padding: 5px 8px;
}
.wf-column {
    float: left;
}

@media screen and (min-width: 768px) {
    .wf-container { width: 750px; }
}
@media screen  and (min-width: 992px) {
    .wf-container { width: 970px; }
}
@media screen and (min-width: 1200px) {
    .wf-container { width: 1170px; }
}