html
{
    background-size:78% 78%;
    transform: scale(0.78, 0.78);
    /*Firefox*/
    -moz-transform: scale(0.78, 0.78);
    /*Microsoft Internet Explorer*/
    -ms-transform: scale(0.78, 0.78);
    /*Chrome, Safari*/
    -webkit-transform: scale(0.78, 0.78);
    /*Opera*/
    -o-transform: scale(0.78, 0.78);
}