#diameter_preview 
{
    background-image:url(images/diameters.png);
    background-repeat:no-repeat;
    width:36px;
    height:36px;
}
.diameter-0
{
    background-position:-14px -18px;
}
.diameter-0_0625
{
    background-position:-14px -90px;
}
.diameter-0_125
{
    background-position:-14px -162px;
}
.diameter-0_1875
{
    background-position:-14px -234px;
}
.diameter-0_25
{
    background-position:-14px -306px;
}
.diameter-0_3125
{
    background-position:-14px -378px;
}
.diameter-0_375
{
    background-position:-14px -450px;
}