<div class="project-orient"> 
<?php if( isset($sayfa->sitesi) ){ ?>
<a target="_blank" href="<?php echo $sayfa->sitesi;?>"><button class="butonnn"><i class="fa fa-external-link"></i> WEB SİTESİNE GİT</button> </a> 
<?php  } ?>
<br> 
<?php if( isset($sayfa->katalog) ){ ?>
<a target="_blank" href="<?php echo $sayfa->katalog;?>"> <button class="butonnn"><i class="fa fa-clone"></i> KATALOĞU İNDİR</button></a> 
<?php  } ?>
<br><br> 
</div>