.submenu .content{display:none}.head{transition:background-color .4s ease}.logo{background-image:url(../images/logo_long_white.png);width:265px}.logo,.logo-mini{background-size:cover;color:transparent;font-size:.1em;height:49px}.logo-mini{background-image:url(../images/logo_white_265.png);width:49px}