.masonry {
    margin:0.5em auto;
    padding:0;
    -moz-column-gap: 1.5em;
    -webkit-column-gap: 1.5em;
    column-gap: 1.5em;
    font-size: .85em;
}

.masonry img, .masonry iframe {
max-width: 100%;
height: auto;
display: block;
}

.itemmasonry {
    display: inline-block;
    background: #fff;
    padding:10px;
    margin: 0 0 1.5em;
    width: 100%;
    /*box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-shadow: 0px 1px 1px 0px rgba(0, 0, 0, 0.18);*/
}


@media only screen and (min-width: 700px) {
    .masonry {
        -moz-column-count: 2;
        -webkit-column-count: 2;
        column-count: 2;
    }
}

@media only screen and (min-width: 900px) {
    .masonry {
        -moz-column-count: 3;
        -webkit-column-count: 3;
        column-count: 3;
    }
}

@media only screen and (min-width: 1100px) {
    .masonry {
        -moz-column-count: 4;
        -webkit-column-count: 4;
        column-count: 4;
    }
}

@media only screen and (min-width: 1280px) {
    .wrapper {
        width: 1260px;
    }
}