html	{ background:black; color:white; text-align:center;}
svg 	{ background:#202020;}
h1  	{ display:inline; font-size:min(5vw,32px);}
table	{ text-align:left;}
b   	{ font-weight:800; }
button	{ width:100%; font-family:Consolas; font-size:2vw;}
btncmd	{ width:20%;}
.port3	{ background:orange; text-align:left; color:black;}
.port2	{ background:gold;   text-align:left; color:black;}
.port1	{ background:yellow; text-align:right; color:black;}
.port0	{ background:darkorange;text-align:right;color:black;}
.on 	{ fill:red;}
.off	{ fill:white;}
.dispon	{ display:block;}
.dispoff{ display:none;}