.boxshadow 
{
    -webkit-box-shadow : 10px 10px 5px 0px rgba(0,0,0,0.75);
-moz-box-shadow : 10px 10px 5px 0px rgba(0,0,0,0.75);
box-shadow : 10px 10px 5px 0px rgba(0,0,0,0.75);
}