.container { background-color: #1E1E1E; justify-content: flex-start; } .line{ width: 100%; height:30rpx; background-color: #00214C; position: fixed; top:0; } .line2{ width: 100%; height:30rpx; background-color: #1E1E1E; margin-bottom: 30rpx; } .btn { height:350rpx; width:710rpx; margin-bottom: 20rpx; } .bottom{ font-size:20rpx; color:#fff; text-align: center; margin: 60rpx 0 40rpx 0; }