page{ 
  height: 100%;
  width: 100%;
  background: #f4f4f4;
}
view{
  margin: 10rpx 0;
}
.txt_b{
  font-weight: 600;
}

.txt_under_line{
  text-decoration: underline;
  text-decoration-style: double;
  text-decoration-color: #039fff;
}

.back_yellow{
  background-color: yellow;
}