Template (re)sizing issues - Joomla! Forum - community, help and support

okay, first foremost, still new world of joomla love it. so, apologies if don't understand or respond idiocy.

well, i'm building first joomla website (or website matter) i'm having issue resizing (logo) field , resizing mobile devices.

example:

untitled.jpg

i can't seem locate i'm supposed edit code within template or boob there simple module or plugin use fix easily, because want tighten have.

example:

t.png

d;

template used "iota" globberthemes

also, side note, how 1 remove logo other menu>single article selections other home (main) tab it's article?

you not alone in puzzles of joomla , have spent many hours resolving issues , appreciate advice provided on these pages. have found depends on template using, different ways of accomplishing needs etc.
from image, trying remove white space above image? have created document paste answers issue , acknowledge came somewhere on these pages. instead of "8em" put "1em" gives me white space @ top , menu below header
(a) remove/alter white space above header image - in following css available in file position.css located in directory /templates/beez3/css, modify css attribute padding: 8em 0 0 0;
code: select all
#header {
display: block !important;
position: relative;
padding: 1em 0 0 0;
overflow: hidden;
}