.example--box {
  overflow: hidden;
  border: 1rpx solid #e0e0e0;
  border-radius: 7rpx;
  margin: 50rpx 0 0;
  transition: all .2s ease;
  box-shadow: 0 0 6rpx rgba(0, 0, 0, .15);
  z-index: 10;
  background: #fff;
}

.demo{
  padding: 15rpx;
  /* background: #f6f6f6; */
}

.demo-inner{
  background: #fff;
}

.meta {
  position: relative;
  margin-top: 40rpx;
  border-top: 1rpx solid #e9e9e9;
  padding: 20rpx 15rpx 15rpx 20rpx;
}

.meta-title {
  position: absolute;
  top: -24rpx;
  line-height: 26rpx;
  padding: 10rpx 14rpx;
  font-size: 26rpx;
  color: #555;
  border-radius: 8rpx;
  background: #f2f2f2;
  transition: background-color .4s ease;
}

.meta-desc {
  margin-top: 20rpx;
  color: #777;
  font-size: 24rpx;
}

.example--source {
  position: relative;
}

.view-btn{
  position: absolute;
  right: 20rpx;
  top: -52rpx;
  color: #369;
  opacity: .5;
  font-size: 26rpx;
}