.bwidth
{
    border-bottom-width: thin;
    border-left-width: thin;
    border-right-width: thin;
    border-top-width: thin
}
.bstylenone
{
    border-bottom-style: none;
    border-left-style: none;
    border-right-style: none;
    border-top-style: none
}
.bstylesolid
{
    border-bottom-style: solid;
    border-left-style: solid;
    border-right-style: solid;
    border-top-style: solid
}