.logic_sayings td, .logic_sayings th
{
    vertical-align: top;
    border-left: 1pt black solid;
    border-right: 1pt black solid;
    padding-left: 5pt;
    padding-right: 5pt;
    padding-top: 3pt;
    padding-bottom: 3pt;
}
.logic_sayings ol
{
    padding-top: 0;
    margin-bottom: 0;
    margin-top: 0;
    padding-top: 0;
    margin-left: 0;
    padding-left: 1.5em;
}
.logic_sayings
{
    border-collapse:collapse;
}
.logic_sayings tr
{
    border-top : 1px black solid;
    border-bottom : 1px black solid;
}
.logic .branch
{
    border: 1px black dashed;
    padding-top: 1em;
    padding-bottom: 1em;
}