.photo_list_item {
    position: relative;
    display: inline-block;
    /*width: 18.3%; */
    margin-bottom: 20px;
    min-width: 230px; min-height: 230px;
    vertical-align: top;
    overflow: hidden;
    border-radius: 3px;
    /*border: 1px solid grey;*/
    background: #8cb1ce;
    font-size: 0;


}
@media (max-width:2250px) {
    .photo_list_item {
        width: 30%;
    }
}

@media (max-width:1550px) { 
    .photo_list_item {
        width: 30%;
    }
}

@media (max-width:1260px) { 
    .photo_list_item {
        width: 30%;
    }
}

@media (max-width:970px) { 
    .photo_list_item {
        width: 47%;
    }
}

@media (max-width:550px) { 
    .photo_list_item {
        width: 99%;
    }
}

.photo_list_item > img.thumb {
    position: absolute; left: 0; top: 0;
    width: 100%; height: auto;
}

.photo_list_item > img.spacer {
    width: 100%; height: auto;
}

.photo_list_item > .photo_list_item_black_grad {
    position: absolute;
    display: block;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 40%;
    /*background: url(https://www.airpano.com/css/img/black_gradient.png) no-repeat;*/
    background-size: 100% 100%;
    opacity: 0.85;
    z-index: 1;
    transition: opacity 0.3s;
}

.photo_list_item:hover > .photo_list_item_black_grad {
    opacity: 0;
}

.photo_list_item > .photo_list_item_title {
    position: absolute;
    display: block;
    left: 0;
    bottom: 0;
    width: 100%;
    padding: 30px 10px;
    box-sizing: border-box;
    background: rgba(108, 214, 70, 0.0);
    font-family: "Open Sans", Arial, sans-serif;
    letter-spacing: normal !important;
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 300;
    line-height: 20px;
    text-align: center;
    z-index: 2;
    transition: background 0.3s;
}

.photo_list_item:hover > .photo_list_item_title {
    background: rgba(108, 214, 70, 0.6);
}

.photo_list_item > .photo_list_item_views_count {
    position: absolute;
    right: 10px;
    top: 10px;
    background: rgba(0,0,0,0.5);
    border-radius: 3px;
    padding: 0 8px;
    font-family: "Open Sans", Arial, sans-serif;
    letter-spacing: normal !important;
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 300;
    line-height: 22px;
}


.photo_list_item_views_count > span {
    /*color: #51b72d !important;*/
    color: rgba(108, 214, 70, 1) !important;
}

.photo_list_item_icon {
    position: absolute;
    left: 10px;
    top: 10px;
    width: 50px;
    height: 50px;
  /*  background: url(https://www.airpano.com/css/img/icon_360.png) no-repeat;*/
    background-size: 100% 100%;
    z-index: 100;
}

.photo_list_item_tour_link {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 70px;
    height: 70px;
    margin-top: -35px;
    margin-left: -95px;
    /*background: url(https://www.airpano.com//images/icon_play.png) no-repeat;*/
    background-size: 100% 100%;
    z-index: 100;
}

.photo_list_item_info_link {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 70px;
    height: 70px;
    margin-top: -35px;
    margin-left: 25px;
   /* background: url(https://www.airpano.com//images/icon_article.png) no-repeat;*/
    background-size: 100% 100%;
    z-index: 100;
}

.photo_list_item_info_link2 {
    position: absolute;
    left: 70px;
    top: 8px;
    width: 54px;
    height: 54px;
    background: url(https://www.airpano.com//images/article_icon.png) no-repeat;
    background-size: 100% 100%;
    z-index: 100;
}