Edit in JSFiddle

<div class="wrap effect8">
        
        <h1>Sample Box</h1>   
       <img src="http://www.wpthemegenerator.com/wp-content/uploads/2012/06/Image.jpg">
        <p>
         Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam luctus consectetur dolor a porttitor. Curabitur id sem sed ante fringilla pulvinar et id lectus. Nullam justo ipsum, hendrerit ut commodo nec, pellentesque nec erat. Pellentesque pharetra.
       </p> 
       <br />
       <a href="http://www.designshock.com/"> DesignShock.com </a>

</div>

body{
    background:url('http://www.cssdeck.com/uploads/media/items/0/0Rs78ic.gif');
    font-size: 11px;
    font-family: 'Open Sans', sans-serif;
    color: #4A4A4A ;
    text-align: center;
}



.wrap {
    width:300px;
    height:310px;
    background:#FFF;
    margin:20px auto;
    padding: 10px;
}

/*==================================================
 * Effect 8
 * ===============================================*/
.effect8
{
      position:relative;       
    -webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
       -moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
            box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
}
.effect8:before, .effect8:after
{
    content:"";
    position:absolute; 
    z-index:-1;
    -webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
    -moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
    box-shadow:0 0 20px rgba(0,0,0,0.8);
    top:10px;
    bottom:10px;
    left:0;
    right:0;
    -moz-border-radius:100px / 10px;
    border-radius:100px / 10px;
} 
.effect8:after
{
    right:10px; 
    left:auto;
    -webkit-transform:skew(8deg) rotate(3deg); 
       -moz-transform:skew(8deg) rotate(3deg);     
        -ms-transform:skew(8deg) rotate(3deg);     
         -o-transform:skew(8deg) rotate(3deg); 
            transform:skew(8deg) rotate(3deg);
}  

.wrap img {
    width: 100%;
    margin-top: 15px;
}

p{ 
    margin-top: 15px;
    text-align: justify;
}

h1{
    font-size: 20px;
    font-weight: bold;
    margin-top: 5px; 
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

a{
    text-decoration: none;
    color: #4A4A4A !important;
}

a:hover{
    text-decoration: underline;
    color: #6B6B6B !important ;
}