.header_logo{margin:0 auto 0 0}.header_logo a{width:190px;height:25px;background-position:center;display:block;background-repeat:no-repeat}@media screen and (min-width:768px){.header_logo a{width:140px;height:41px}}@media screen and (min-width:992px){.header_logo a{width:190px;height:41px}}@media screen and (min-width:1280px){.header_logo a{width:220px;height:41px}}@media screen and (min-width:1340px){.header_logo a{width:230px;height:41px}}