.oz_header{align-items:center;background:#0f0156;box-sizing:border-box;display:flex;justify-content:center;left:0;padding:10px;position:fixed;top:0;transition:all .3s;width:100%;z-index:99}.logo_sticky{display:none}.oz_header.stisky .logo_sticky{display:block}.oz_header.stisky .logo{display:none}.oz_header span{display:block}.oz_header img{display:block;line-height:0}