.tz_portfolio_plus_image{
    z-index: 1;
    position: relative;
}
.TzIcon{
    z-index: 2;
    position: relative;
}
.tz_image_hover{
    top:0;
    left: 0;
    opacity: 0;
    position: absolute;
    transition: opacity 0.35s ease-in-out;
    -moz-transition: opacity 0.35s ease-in-out;
    -webkit-transition: opacity 0.35s ease-in-out;
}
.tz_portfolio_plus_image:hover .tz_image_hover{
    opacity: 1;
    margin: 0;
}