Running a WordPress site is easy, as it offers you simple interface to manage the site from the admin panel. One of the many advantage of using WordPress for your website is that you have an option to add and modify website feature and functions using thousands of plugins and themes. For every we... (more) You can edit your theme css following this path :
or you can simply edit stylesheets from your wordpress admin panel
Currently in my the blog ( Detechter) , i am using a plugin, Import External Images.
Makes local copies of all the linked images in a post, adding them as gallery attachments.