How to put external CSS for the given codes as it is a div with a class:
<div class="adv_post_container nolinks" id="activity-post-container" style="display: block;">
is it
#activity-post-container.adv_post_container.nolinks
OR
#activity-post-container .adv_post_container.nolinks
Or is there another way?
By the way, what is this called? I know div inside div is called "nested." What is this called?