Thing 1 -
either use the forum search to track down a solution to this - this has been answered before;
or use a tool such as Firebug http://getfirebug.com/ to find the relevant css selectors.
it is not the focus of the wordpress forum to help with basic formatting problems.
Thing 2 -
how have you integrated the sidebar on the static page? (your child theme may not support this ?)
try to work with the 'sidebar template' for static pages, which comes with the Twenty Eleven theme.