Encodrament avec ombre

.blur{
background-color: #ccc; /*shadow color*/
color: inherit;
margin-left: 4px;
margin-top: 4px;
}

.shadow,
.content{
position: relative;
bottom: 2px;
right: 2px;
}

.shadow{
background-color: #666; /*shadow color*/
color: inherit;
}

.content{
background-color: #fff; /*background color of content*/
color: #000; /*text color of content*/
border: 1px solid #000; /*border color*/
padding: .5em 2ex;
}