Here is the code I use for my simple sauce journal. The original artist who made it took it down, so im sharing it.
Hopefully it will work haha.
how to change the colors in the journal
To change the colors of the journal, change the codes that look like this "#A6B2A6" this is a color code. two first are Red values, two middle ones are green values, and the last two are blue values. RGB.
If you make everyone of them the same letter or number you will get grey.
000000 = Black
FFFFFF = White
FF0000 = Red
00FF00 = green
0000FF = Blue
The colors darkest to lightest is
how to add a background
You need to change the word "link" with an actual link haha.
Which is were you change the background image if you use one.
Copy the code under and paste it in your journal skin
font-family:"Lucida Grande","Lucida Sans Unicode",Verdana,Arial,sans-s