#popup {
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 1001;
}

.content-popup {
    margin:0px auto;
    margin-top:250px;
    position:relative;
    padding:10px;
    max-width:500px;
    min-height:200px;
    border-radius:4px;
    background-color:#FFFFFF;
    box-shadow: 0 2px 5px #666666;
}

.content-popup h2 {
    color:#48484B;
    border-bottom: 1px solid #48484B;
    margin-top: 0;
    padding-bottom: 4px;
}
.popup-main {
    text-align: center;
}

.popup-overlay {
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    height:100%;
    z-index: 999;
    display:none;
    background-color: #777777;
    cursor: pointer;
    opacity: 0.7;
}

.close {
    position: absolute;
    right: 15px;
}

@media (min-width:320px)  { /* smartphones, iPhone, portrait 480x320 phones */
    .content-popup {
        width:90%;
    }
}
@media (min-width:481px)  { /* portrait e-readers (Nook/Kindle), smaller tablets @ 600 or @ 640 wide. */
    .content-popup {
        width:90%;
    }
}
@media (min-width:641px)  { /* portrait tablets, portrait iPad, landscape e-readers, landscape 800x480 or 854x480 phones */
    .content-popup {
        width:90%;
    }
}
@media (min-width:961px)  { /* tablet, landscape iPad, lo-res laptops ands desktops */
}
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */
}
@media (min-width:1281px) { /* hi-res laptops and desktops */
}