Added a misc documentation page

docs/!general-info.md

@@ -34,9 +34,10 @@ While reading this documentation, the following key will be used when describing
 - [Basic layer breakdown](basic-layer-breakdown.md): Breaking down the components of a layer with minimal features.
 - [Layer features](layer-features.md): Explanations of all of the different properties that you can give a layer.
 - [Custom Tab Layouts](custom-tab-layouts.md): An optional way to give your tabs a different layout. You can even create entirely new components to use.
-- [Custom game layouts](trees-and-tree-customization.md): You can get rid of the tree tab, add buttons and other things to the tree,
+- [Custom Game Layouts](trees-and-tree-customization.md): You can get rid of the tree tab, add buttons and other things to the tree,
     or even customize the tab's layout like a layer tab.
 - [Updating TMT](tutorials/updating-tmt.md): Using Github Desktop to update your mod's version of TMT.
+- [Other Things](other.md): Other neat features that TMT has that don't merit their own page.
 
 ### Common components
 

docs/other.md

@@ -0,0 +1,5 @@
+# Other Things
+
+## CSS
+A good way to give your game a unique feel is to customize the appearance of it. Modifying the CSS files helps you to do that on a global level. The CSS is broken up into several files to make it easier to find what is relevant to you.
+CSS tip: Every component is automatically given a CSS class with the same name as its layer id. You can use this toapply something specifically for a single layer! You can also combine classes, such as .p.achievement or .c.locked, to change specific things in specific layers.