What's the best way to use CSS to style data in this situation?

[zanaferx]

I'm new to all of this.For some reason I'm obsessed with having all my styling done in the CSS file.So even for something as simple as styling a sentence, I would do it like this:\[code\]<p class="content"> Welcome to my site </p>\[/code\]instead of like this:\[code\]<p style="font-size: 13pt; font-weight: bold;"> Welcome to my site </p>\[/code\]For the sake of this question, the above text will only be used once on the entire site. Now which is technically the best way? Is one better or faster than the other? Which way would you use?Also, if I want to style the 'Welcome to my site' text but not have any extra space above or below like \[code\]<p>\[/code\] does, what tag is the best to use?Thanks.