+ You can find and change vertical and horizontal space for the logo
Open templates/ja_mero/css/template.css file file
Change for my red mark
.logo-image a {
background-image: url("../images/logo.png");
background-repeat: no-repeat;
width: 151px;
height: 41px;
}
With logo path: templates/ja_mero/images/logo.png
+ And default space on logo header site is span8 if you want to logo full site you can change it to span12
Open templates/ja_mero/tpls/blocks/header.php file
from
<!-- LOGO -->
<div class="span8">
<div class="logo logo-<?php echo $logotype ?>">
<h1>
<a href="<?php echo JURI::base(true) ?>" title="<?php echo strip_tags($sitename) ?>"<?php echo $logoimage ?>>
<span><?php echo $sitename ?></span>
</a>
<small class="site-slogan hidden-phone"><?php echo $slogan ?></small>
</h1>
</div>
</div>
<!-- //LOGO -->
change to
<!-- LOGO -->
<div class="span12">
<div class="logo logo-<?php echo $logotype ?>">
<h1>
<a href="<?php echo JURI::base(true) ?>" title="<?php echo strip_tags($sitename) ?>"<?php echo $logoimage ?>>
<span><?php echo $sitename ?></span>
</a>
<small class="site-slogan hidden-phone"><?php echo $slogan ?></small>
</h1>
</div>
</div>
<!-- //LOGO -->