body {
  font-family: "Orbitron", serif;
  font-optical-sizing: auto;
  font-weight: normal;
  font-style: normal;
  padding: 0 6rem 4rem;
  background-color: steelblue;
}
.timezone-notice {
    text-align: right;
}

nav {
  width: 100%;
  margin: 1em 0;
  padding: .2em 0;
  border-color: #000;
  border-width: 2px 0;
  border-style: solid;
}

nav ul {
  display: flex;
  justify-content: center;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin: 0 1em;
  list-style-type: none;
}

table.riffs {
  margin-left: auto;
  margin-right: auto;
  border-collapse: collapse;
}

table.riffs th {
  text-align: left;
}

table.riffs td {
  border: 1px solid #333;
  padding: .25em;
}