/*：此代码只作为演示用,不是源代码。源码地址唯一出处: http://www.bootstrapmb.com/item/1437(这个说明仅在演示里会看到,下载的源码里没有)*//*RETINA DISPLAY*/@media all and (-webkit-min-device-pixel-ratio: 1.5) { /*IMPORTANT : PLEASE NOTE:Just define high resolution version (2x) all of the background images used in your website.Example is given below:*//*#some-element { background-image: url('../images/my_image@2x.png'); background-size: 200px 100px; } *//* Please visit: http://retinajs.com/ */}/*：此代码只作为演示用,不是源代码。源码地址唯一出处: http://www.bootstrapmb.com/item/1437(这个说明仅在演示里会看到,下载的源码里没有)*/