//源碼img { vertical-align: middle;}.img-responsive,.thumbnail > img,.thumbnail a > img,.carousel-inner > .item > img,.carousel-inner > .item > a > img { display: block; max-width: 100%; height: auto;}.img-rounded { border-radius: 6px;}//縮略圖模式.img-thumbnail { display: inline-block; max-width: 100%; height: auto; padding: 4px; line-height: 1.42857143; background-color: #fff; border: 1px solid #ddd; border-radius: 4px; -webkit-transition: all .2s ease-in-out;  -o-transition: all .2s ease-in-out;   transition: all .2s ease-in-out;}.img-circle { border-radius: 50%;}