.panel{padding:20px}.banner-item{display:inline-block;margin-bottom:20px;margin-right:20px;width:calc(25% - 15px);overflow:hidden;border-radius:5px;box-shadow:0 0 15px #ccc}.banner-item:nth-child(4n){margin-right:0}.banner-item .img-container{width:100%;height:200px;overflow:hidden;display:flex;align-items:center;justify-content:center}.banner-item .img-container img{width:100%;max-height:100%;font-size:0;border:0;vertical-align:bottom}.banner-item .button-group{padding:10px;text-align:right}.banner-item .banner-tips{padding:10px 10px 0 10px;text-align:right;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}