max21perov,
echo'<style type="text/css">
.main{
position: relative;
width: 300px;
height: 300px;
background: black;
}
.object{
position: absolute;
width: 50px;
height: 50px;
background: white;
}
#object{
top: 20px;
left: 20px;
}
#object2{
bottom: 20px;
right: 20px;
}
</style>';
echo '<div class="main">
<div class="object" id="object"></div>
<div class="object" id="object2"></div>
</div>';