page { box-sizing: border-box; padding: 20rpx 0rpx; } .btnZoom { position: relative; width: 100%; height: 300px; } button { margin: 20rpx 40rpx 0rpx; } .container { width: 100%; height: 600rpx; } .bgPic, .emptyBg { height: 600rpx; width: 600rpx; } .emptyBg { border: 2px solid #3677f0; } .cbtn { background-color: #3677f0; color: #fff; box-sizing: border-box; }