* {
  margin: 0;
}

html {
  font-size: 100%;
  font-family: monospace;
  padding: 1rem;
  background: #fee;
  color: #400;
}

main {
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 1.5rem;
}

main * + * {
    margin-top: 1.2em;
  }

p, li {
  text-align: left;
}

svg {
  max-width: 30rem;
  margin-left: auto;
  margin-right: auto;
  font-size: 1rem;
}

button {
  color: white;
  background-color: black;
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  padding: 0.5em 1em;
  border-radius: 1em;
}

button:hover {
    background: rgb(192, 21, 21);
  }

dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

dl * {
    margin-top: 0;
  }

dl div {
    display: flex;
    gap: 0.5rem;
  }

dl div * {
      margin-top: 0;
    }

dl dt {
    font-weight: bold;
    min-width: 3rem;
  }

.scale {
  align-items: center;
}

.scale * {
    margin-top: 0;
  }

.scale [data-freq]:hover, .scale [data-drone]:hover {
      fill: rgb(192, 21, 21);
    }

.scale .on[data-drone] {
    fill: rgb(23, 140, 46);
  }

.scale td svg {
    width: 4vw;
  }

.scale td:first-child {
    text-align: right;
  }

span[data-freq] {
  background: #300;
  color: #fee;
  padding: 0 0.5em;
  border-radius: 1em;
}

span[data-freq]:hover {
    background: rgb(192, 21, 21);
  }

table {
  margin-left: auto;
  margin-right: auto;
  border-spacing: 1rem;
}

.spread {
  display: flex;
  gap: 1em;
  flex-wrap: wrap;
}

.spread > * {
    margin: 0;
    flex-grow: 1;
  }