.hidden {display:none !important;}
.transparent {opacity:0;}
.dummy {position:absolute;left:50000px;top:50000px;}

.grayscale
    {
        -webkit-filter: grayscale(100%);
        -moz-filter: grayscale(100%);
        -ms-filter: grayscale(100%);
        -o-filter: grayscale(100%);
        filter: grayscale(100%);
        filter: gray;
    }

.templates {display:none;}