#stl-popup {
    display:none;
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.5);
    z-index:99999;
}

.stl-content {
    position:absolute;
    top:50%;
    left:50%;
    width:350px;
    background:#fff;
    padding:20px;
    transform:translate(-50%,-50%);
}

.stl-close {
    float:right;
    cursor:pointer;
    font-size:25px;
}

.stl-image img {
    width:100%;
    height:auto;
}

.stl-title {
    margin-top:15px;
    font-weight:bold;
}

.stl-price {
    margin-top:10px;
    margin-bottom:15px;
    font-size:18px;
}