*:not(button) {
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    box-sizing: border-box;
    font-family: Open Sans, sans-serif;
    font-weight: 400;
    color: #50555a;
    overscroll-behavior: none;
  }

  html {
    height: 100%;
  }

  body {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: lightgrey;
    padding: 0.5em;
  }

  div {
    gap: 0.5em;
  }

  div.top-row {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  div.controls {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    margin-bottom: 0.25em;
  }

  div.controls input {
    width: 6ch;
    text-align: right;
  }

  #umlaut option {
    font-size: 2em;
  }

  #threshold {
    width: 8ch;
  }

  #legibility {
    width: 20ch;
    vertical-align: bottom;
  }

  #parallel {
    width: 1em;
  }

  div.panels {
    flex: 1;
    display: flex;
    flex-direction: row;
  }

  .panel {
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  #download-svg {
    width: 100%;
    margin-bottom: 0.5em;
  }

  textarea {
    flex: 1;
    padding: 1em;
  }

  svg {
    width: 100%;
    height: 100%;
    display: block;
    background: white;
  }

  .right.panel {
    position: relative;
  }

  #paneDiv {
    z-index: 999;
    position: absolute;
    padding: 0 12px 0 12px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    bottom: 0;
  }

  .extra {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    padding: 0.25em;
  }

  .cart a,
  .address-book a {
    text-decoration: none;
  }

  .cart::after,
  .address-book::after {
    content: attr(value);
    font-size: 12px;
    color: #fff;
    background: red;
    border-radius: 50%;
    padding: 0 5px;
    position: relative;
    left: -8px;
    top: -10px;
    opacity: 0.9;
  }

  #submit {
    margin-top: 0.5em;
  }

  .recipients {
    display: flex;
    flex-direction: column;
  }

  label[for="recipients"] {
    text-align: center;
    margin-top: 0.25em;
    font-weight: bold;
  }

  select {
    flex: 1;
  }

  .recipient-wrapper {
    width: 100%;
    overflow-x: auto;
  }

  .recipient {
    display: table;
  }

  .recipient>div {
    display: table-cell;
    padding-right: 1ch;
  }

  .recipient>div>label {
    white-space: pre;
  }

  .recipient>div>input {
    width: 10ch;
  }

  .sender {
    display: flex;
    flex-direction: row;
    justify-content: center;
  }

  label[for="sender"] {
    text-align: center;
    margin-top: 0.25em;
    font-weight: bold;
    margin-bottom: 0.25em;
  }