.hide {
    display:none;
    visibility:hidden;
}
.popbox {
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    width:100%;
    z-index:1000000;
}
.pop-content {
    width:850px;
    height:450px;
    display:block;
    position:absolute;
    top:50%;
    left:50%;
    margin:-225px 0 0 -425px;
    z-index:auto;
    box-shadow:0 3px 20px 0 rgba(0,0,0,.5);
    animation-duration: 0.6s;
}
.popcontent {
    width:100%;
    height:100%;
    display:block;
    background:#fff;
    border-radius:5px;
    overflow:hidden;
}
.pop-overlay {
    position:absolute;
    top:0;
    left:0;
    bottom:0;
    width:100%;
    z-index:1;
    background:rgba(0,0,0,.7);
}
.popbox-close-button {
    position: absolute;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    top: 12px;
    right: -14px;
    background-color: #fff6f6;
    box-shadow: 0 -1px 1px 0 rgba(29, 29, 29, 0.2);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 25px;
    font-weight: lighter;
    padding: 0;
}
.popcontent img {
    width:100%;
    height:100%;
    display:block;
}
.flowbox {
    position:relative;
    overflow:hidden;
}
@media screen and (max-width:840px) {
    .pop-content {
        width:90%;
        height:auto;
        top:20%;
        margin:0 0 0 -45%;
    }
    .popcontent img {
        height:auto;
    }
}