.pat-auto-scale {   
    -moz-transform-origin: left top;
    -webkit-transform-origin: left top;
    transform-origin: left top;
    opacity: 0;
    -moz-transition: opacity 0.2s;
    -webkit-transition: opacity 0.2s;
    transition: opacity 0.2s;
}

.pat-auto-scale.scaled {
    opacity: 1;
}