.ajax-cart-modal .overlay {
    background:black;
    display:block;
    left:0;
    opacity:0.65;
    filter: alpha(opacity = 65);
    position:fixed;
    top:0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}
.ajax-cart-modal .block {
    position: fixed;
    width: 300px;
    left: 50%;
    margin-left: -150px;
    top: 50%;
    margin-top: -100px;
    z-index: 1001;
}
.ajax-cart-modal .block .close-btn {
    margin-top: 3px;
    float: right;
    width: 11px;
    height: 11px;
    background: url('../images/ajax_cart/btn_remove.gif');
}

.ajax-cart-loading-mask .overlay {
    background:white;
    display:block;
    left:0;
    opacity:0.50;
    filter: alpha(opacity = 50);
    position:fixed;
    top:0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}
.ajax-cart-loading-mask .loader {
    position: fixed;
    width: 120px;
    height: 120px;
    left: 50%;
    margin-left: -60px;
    top: 50%;
    margin-top: -60px;
    background: url('../images/ajax_cart/ajax-loader.gif');
    z-index: 1001;
}