To prevent annoying other members (well, the ones why use the 'Recent Changes' page a lot), you should use the 'Preview' Button when testing out what a minor change does, and before saving your page.
This button can be found next to the 'Publish' button, and surprisingly, quite a lot of people don't see it and do like 20 edits in a row, cluttering/shortening the recent changes list.
That being said, almost everything you need to know for doing this can be found Here.
Other Tips
Stuff that weren't in the above link will be added here.
This is editable of course. Here's what you can edit:
Simple Page Border
Border-Style
What it Gives You
border-style: dotted;
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border-style: dashed;
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border-style: solid;
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border-style: double;
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border-style: groove;
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border-style: ridge;
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border-style: inset;
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border-style: outset;
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The border-width and border-color are straight forward.
The bigger the border-width, the thicker the border.
Adding ">" in front of the condition, means "greater than or equal to". Generally, this is the one we use (but for the sake of completeness, adding ">>" means "greater than but not equal to".
[[ATK::<3000]]
Adding "<" in front of the condition, means "less than or equal to".
[[ATK::!4000]]
[[ATK string::?]]
This special one is used to find monsters with "?" ATK.
[[Actions::Negates the activation of Effect Monster's effect]]
[[Actions::Changes battle positions]]
[[Actions::You draw cards]]
[[Actions::Flips itself face-down]]
[[Actions::Cannot be destroyed by battle]]
[[Actions::Changes control]]
[[Actions::Adds from Graveyard to hand]]
[[MonsterSpellTrap::Negates the effects of Effect Monsters]]
[[MonsterSpellTrap::Destroys Spell Cards]]
[[MonsterSpellTrap::Destroys Trap Cards]]
[[MonsterSpellTrap::Treated as Equip Card]]
[[MonsterSpellTrap::Negates the effects of Effect Monsters]]