*{
    padding: 0;
    margin: 0;
}

html, body{
    width: 100%;
    min-width: 100%;
    height: 100%;
    min-height: 100%;
}

body{
    background-color: #f7f7f7;
}

#display{
    width: 100%;
    height: 100%;
}

#logo{
    width: 100%;
    min-height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    background-image: url("vs_logo_orange.svg");
    background-size: 30%;
    background-position: center;
    background-repeat: no-repeat;
    /*opacity: 0.5;
    -webkit-filter: blur(50px);
    filter: blur(50px);*/
    transition: opacity 1s, filter 1s, -webkit-filter 1s, background-size 1s, background-position 1s ease-out;
    transform: translateZ(0);
}

#shadow{
    width: 100%;
    min-height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    background-image: url("vs_logo_orange.svg");
    background-size: 30%;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.8;
    -webkit-filter: blur(5px) saturate(0) contrast(0);
    filter: blur(5px) saturate(0) contrast(0);
    transition: opacity 1.5s, filter 2s, -webkit-filter 2s, background-size 1s, background-position 1s ease-out;
    transform: translateZ(0);   /* Force use GPU */
    /*
    -moz-filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
     -o-filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
     -webkit-filter: grayscale(100%);
     filter: gray;
     filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
*/
}

#display:hover #logo{
    background-size: 30.5%;
    opacity: 1;
    -webkit-filter: blur(0);
    filter: blur(0);
    transition: opacity 1s, filter 1s, -webkit-filter 1s, background-size 0.1s, background-position 0.1s ease-out;
    transform: translateZ(0);
}

#display:hover #shadow{
    background-size: 33%;
    opacity: 0.5;
    -webkit-filter: blur(10px) saturate(0) contrast(0);
    filter: blur(10px) saturate(0) contrast(0);
    transition: opacity 0.1s, filter 0.1s, -webkit-filter 0.1s, background-size 0.1s, background-position 0.1s ease-out;
}