The signature file is ~ when you leave a message or comment log for friends or others ~ you can display your signature ~ isn't it written at the bottom? Just check the box in front of the signature file before publishing ~ The comment log is in the upper right corner ~ The box is in the lower left corner when posting ~ The code is the style you made for your published content when publishing ~ Why do you want to change the font ~ Change the font color ~ It's all styles ~ After making the style, you have the code ~ The code you are looking for online is the style designed by others ~ You can use it by copying it directly ~ But the code is longer.