.o2,
.o3,
.o4
{
    display:inline-block;
    background-image:url(Images/Common/icons-std.png);
    width:30px;
    height:30px;
    background-color:#999;
    border-radius:5px;
    box-shadow:none;
    box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.4);
    border:none;
}

.o2
{
    background-position:0px -160px !important;	
}
.o3
{
    background-position:-30px -160px !important;
}
.o4
{
    background-position:-60px -160px !important;
}