* Hi guys this is the best way to generate box shadow css code from these URL *

some exe:-

<div class="box effect1">
<h3>Effect 1</h3>
</div>

css:-

 .box h3{
 text-align:center;
 position:relative;
 top:80px;
}
.box {
 width:70%;
 height:200px;
 background:#FFF;
 margin:40px auto;
}
/*==================================================
 * Effect 1
 * ===============================================*/
.effect1{
 -webkit-box-shadow: 0 10px 6px -6px #777;
    -moz-box-shadow: 0 10px 6px -6px #777;
         box-shadow: 0 10px 6px -6px #777;
} 

http://www.paulund.co.uk/creating-different-css3-box-shadows-effects

http://westciv.com/tools/boxshadows/

http://silviarebelo.com/demos/boxgenerator/