CSS editing comes in a varity of forms, Tags, ID's, and Classes
To edit a tag you simply put the tag without the <>
body {
}
would edit the <body> tag and everything in it unless it's edited by a id or class
to edit an id would be
#IDNAME {
}
To activate the id name in a tag would be <p id="IDNAME">
And to edit a class would be
.CLASSNAME {
}
To activate this would be <p class="CLASSNAME">
With CSS you can basically do anything, change heights, widths, fonts,
positions, ect.
You can create entire web sites without the restrictions of Tables just straight
up CSS. CSS is also becoming a new web standard called "Web 2.0", so learning
CSS will help you stay in the game.