/*.logo_sys {
    width: 150px;
    height: 120px;
    background: url(/images/slider_logo.png) no-repeat center center / cover;
    margin: 0px auto 40px;
}
*/
.logo_sys {
    width: 150px;
    height: 120px;
    background: url(/images/slider_logo.png) center;
	background-repeat: no-repeat;
	background-size: contain;
    margin: 0px auto 40px;
}