.bstylenone
{
    border-bottom-style: none;
    border-left-style: none;
    border-right-style: none;
    border-top-style: none
}

.bstyledotted
{
    border-bottom-style: dotted;
    border-left-style: dotted;
    border-right-style: dotted;
    border-top-style: dotted
}
.bstyledashed
{
    border-bottom-style: dashed;
    border-left-style: dashed;
    border-right-style: dashed;
    border-top-style: dashed
}