@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 2dppx) {                            .icon {    background: url(images/icons@2x.png) no-repeat 20px 20px;    background-size: 140px 120px;  }.active .icon_nav_ablity {    background-position: -20px 0px;  }.active .icon_nav_comment {    background-position: 0px -80px;  }.active .icon_nav_developer {    background-position: 0px -20px;  }.active .icon_nav_fans {    background-position: -20px -20px;  }.active .icon_nav_limit {    background-position: -40px 0px;  }.active .icon_nav_menu {    background-position: -40px -20px;  }.active .icon_nav_msg {    background-position: 0px -40px;  }.active .icon_nav_news {    background-position: -20px -40px;  }.active .icon_nav_pay {    background-position: -40px -40px;  }.active .icon_nav_reply {    background-position: -60px 0px;  }.active .icon_nav_run {    background-position: -60px -20px;  }.active .icon_nav_security {    background-position: -60px -40px;  }.active .icon_nav_send {    background-position: 0px -60px;  }.active .icon_nav_set {    background-position: -20px -60px;  }.active .icon_nav_source {    background-position: -40px -60px;  }.active .icon_nav_stat {    background-position: -60px -60px;  }.active .icon_nav_user {    background-position: -80px 0px;  }.active .icon_nav_ux {    background-position: -80px -20px;  }.active .icon_nav_verity {    background-position: -80px -40px;  }.icon_hook {    background-position: -80px -60px;  }.icon_logout {    background-position: 0px 0px;  }.icon_nav_ablity {    background-position: -20px -80px;  }.icon_nav_comment {    background-position: -40px -80px;  }.icon_nav_developer {    background-position: -60px -80px;  }.icon_nav_fans {    background-position: -80px -80px;  }.icon_nav_limit {    background-position: -100px 0px;  }.icon_nav_menu {    background-position: -100px -20px;  }.icon_nav_msg {    background-position: -100px -40px;  }.icon_nav_news {    background-position: -100px -60px;  }.icon_nav_pay {    background-position: -100px -80px;  }.icon_nav_reply {    background-position: 0px -100px;  }.icon_nav_run {    background-position: -20px -100px;  }.icon_nav_security {    background-position: -40px -100px;  }.icon_nav_send {    background-position: -60px -100px;  }.icon_nav_set {    background-position: -80px -100px;  }.icon_nav_source {    background-position: -100px -100px;  }.icon_nav_stat {    background-position: -120px 0px;  }.icon_nav_user {    background-position: -120px -20px;  }.icon_nav_ux {    background-position: -120px -40px;  }.icon_nav_verity {    background-position: -120px -60px;  }}