:root {
    font-family: sans-serif;
    background: lavenderblush;
  }
  body {
    margin: 0 auto 0 min(10%, 5em);
    background: white;
    padding: 0.5em;
    border-bottom: 1px solid purple;
    max-width: min(777px, 80%);
    overflow-x: hidden;
  }
  header {
    font-size: smaller;
    margin-bottom: 3em;  
  }
  form {
    margin-bottom: 2em;
  }
  label.cmd {
    border-bottom: thin solid dodgerblue;
    cursor: default;
    font-style: italic;
  }
  :is(form, label)[disabled] {
    color: grey;
  }
  em.caps {
    font-style: normal;
    font-variant: small-caps;
  }
  :is(form:hover, form:active) em.caps {
    background: yellow;
  }

  legend {
    font-weight: 600;
  }
  fieldset {
    border: thin solid transparent;
  }
  fieldset.search {
    display: flex;
  }
  button, input, output {
  }
  button {
  }
  form .long {
    width: 100%;
    min-width: 250px;
  }
  output {
    font-size: smaller;
    color: purple;
  }
  h1 {
    margin: 0;
  }
  h2 {
    margin-top: 0;
  }
  small.url {
    word-break: break-all;
  }
  .small {
    font-size: smaller;
  }

  label small {
    font-style: italic;
    color: darkslategrey;
  }

  .units {
    color: grey;
    font-size: smaller;
  }

  input[type="number"] {
    text-align: right;
  }

  input.search {
    flex-grow: 1;
    padding: 0.25em 0.5em;
  }
  input.search, 
  input.search + button {
    font-size: 1em;
  }
  ol.results {
    list-style-type: none;
  }
  .cent {
    text-align: center;
  }
  .grey {
    color: grey;
  }
  a {
    word-break: break-word;
  }