<style>
@font-face {
  font-display: swap;
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/orbitron-v31-latin-regular.woff2') format('woff2');
}

html {
  font-family: Tahoma, sans-serif;
  display: inline-block;
  text-align: center;
}

h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  color: white;
}

.topnav {
  overflow: hidden;
  background-color: #0A1128;
  padding: 0px;
}

body {
  margin: 0;
}

.content {
  padding: 10px;
}
.card-grid {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.card {
  background-color: white;
  box-shadow: 2px 2px 12px 1px rgba(140,140,140,.5);
}
.card-title {
  font-size: 1.2rem;
  font-weight: bold;
  color: #034078
}
.reading {
  font-size: 1.2rem;
  color: #1282A2;
}

.center {
  margin-left: auto;
  margin-right: auto;
}

table {
empty-cells: show;
/* border: 1px solid; */
}

td.left {
text-align: left;
/* border: 1px solid; */
}

td.right {
text-align: right;
/* border: 1px solid; */
}

.on {
background-color: #00FF00;
}

.off {
background-color: #FF0000;
}

.set_on {
background-color: #CCFFCC;
}

.set_off {
background-color: #FFCCCC;
}

.unknown {
background-color: #DDDDDD;
}

.on:before, .set_on:before {
content: "ON";
}

.off:before, .set_off:before {
content: "OFF";
}

.unknown:before {
content: "?";
}

#output0,#output1 {
cursor: pointer;
}
</style>