<div class="main">
<a href="index.html"><img src="images/logo.png" alt="" class="logo"/></a>
<img src="images/hedland-bus-lines-fleet.gif" alt="" class="slogan"/>

 

 

css

.logo {margin:29px 0 17px 47px;}
.slogan {margin-top:3px; margin-left:-4px;}