.os {
	display:-moz-inline-box;-moz-box-orient:vertical;display:inline-block;*display:inline;*zoom:1;vertical-align:baseline;position:relative;overflow:hidden;width:16px;height:16px;font-size:0;line-height:0;margin:0;padding:0
}
.os_windows {background:url(os/windows.png) no-repeat;}
.os_linux {background:url(os/linux.png) no-repeat;}
.os_android {background:url(os/android.png) no-repeat;}
.os_iphone, .os_ipod, .os_ipad  {background:url(os/ios.png) no-repeat;}
.os_apple, .osappletv  {background:url(os/macos.png) no-repeat;}
.os_os2 {background:url(os/unknown.png) no-repeat;}
.os_beos {background:url(os/unknown.png) no-repeat;}
.os_blackberry {background:url(os/unknown.png) no-repeat;}
.os_nokia {background:url(os/unknown.png) no-repeat;}
.os_freebsd {background:url(os/unknown.png) no-repeat;}
.os_netbsd {background:url(os/unknown.png) no-repeat;}
.os_sunos {background:url(os/unknown.png) no-repeat;}
.os_opensolaris {background:url(os/unknown.png) no-repeat;}
.os_sonyplaystation {background:url(os/unknown.png) no-repeat;}
.os_roku {background:url(os/unknown.png) no-repeat;}
.os_trminal {background:url(os/unknown.png) no-repeat;}
.os_fireos {background:url(os/unknown.png) no-repeat;}
.os_smart-tv {background:url(os/unknown.png) no-repeat;}
.os_chromeos {background:url(os/unknown.png) no-repeat;}
.os_javaandroid {background:url(os/unknown.png) no-repeat;}
.os_postman {background:url(os/unknown.png) no-repeat;}
.os_iframely {background:url(os/unknown.png) no-repeat;}
.os_unknown {background:url(os/unknown.png) no-repeat;}