table.ladder {
    border-collapse: collapse;
    
}

.ladder-frame {
    border: 2px;
    margin: 0px;
    padding: 0px;
    border-style: hidden solid hidden solid;
    display: inline-block;
}

table.ladder tr td {
 width:80px;
 height:80px;
 padding:0px;
 text-align: center;
 vertical-align: bottom;
 background-size: contain;
 margin:0;
 font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; 
}

table.ladder tr td.plus {
    background-image:url("../imgs/ladder/%2B.png");
}

table.ladder tr td.L-down {
    background-image:url("../imgs/ladder/L.png");
}

table.ladder tr td.L-up {
    background-image:url("../imgs/ladder/L.png");
    transform: rotate(90deg);
}

table.ladder tr td.L-down-right {
    background-image:url("../imgs/ladder/L.png");
    transform: rotate(-90deg);
}

table.ladder tr td.L-up-right {
    background-image:url("../imgs/ladder/L.png");
    transform: rotate(180deg);
}

table.ladder tr td.T-down {
    background-image:url("../imgs/ladder/T.png");
}

table.ladder tr td.T-left {
    background-image:url("../imgs/ladder/T.png");
    transform: rotate(90deg);
}

table.ladder tr td.T-up {
    background-image:url("../imgs/ladder/T.png");
    transform: rotate(180deg);
}

table.ladder tr td.T-right {
    background-image:url("../imgs/ladder/T.png");
    transform: rotate(-90deg);
}

table.ladder tr td.line {
    background-image:url("../imgs/ladder/line.png");
}

table.ladder tr td.coil {
    background-image:url("../imgs/ladder/coil.png");
}

table.ladder tr td.fe {
    background-image:url("../imgs/ladder/fe.png");
}

table.ladder tr td.nc {
    background-image:url("../imgs/ladder/nc.png");
}

table.ladder tr td.nccoil {
    background-image:url("../imgs/ladder/nccoil.png");
}

table.ladder tr td.ncoil {
    background-image:url("../imgs/ladder/ncoil.png");
}

table.ladder tr td.no {
    background-image:url("../imgs/ladder/no.png");
}

table.ladder tr td.pcoil {
    background-image:url("../imgs/ladder/pcoil.png");
}

table.ladder tr td.pe {
    background-image:url("../imgs/ladder/pe.png");
}

table.ladder tr td.set {
    background-image:url("../imgs/ladder/set.png");
}

table.ladder tr td.reset {
    background-image:url("../imgs/ladder/reset.png");
}