Buttons Use

<link href='https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css' rel='stylesheet'/>
<link href='//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css' rel='stylesheet'/>
<div id="wrap">
<a href="#" class="btn-slide" target="_blank">
 <span class="circle"><i class="fa fa-rocket">
</i></span> <span class="title">معاينة</span>
 <span class="title-hover">اضغط هنا</span>
</a>
<a href="#" class="btn-slide2" target="_blank">
 <span class="circle2"><i class="fa fa-download"></i></span>
 <span class="title2">تحميل</span>
 <span class="title-hover2">اضغط هنا</span>
</a>
</div>