message: Minore style fix
diff: .mnemonicNotice {}
  .mnemonicEnter {
  - border: 1px solid rgba(0,0,0,0.2);
  + border: 1px solid var(--color-border);
  min-height: 120px;
  +
  button {
  display: inline-block;
  padding: 0.2em;
  display: inline-block;
  padding: 0.2em;
  margin: 0.1em 0.2em;
  - border: 1px solid #999;
  + border: 1px solid var(--color-indicating);
  border-radius: 2px;
  background: none;
  font-size: 120%;
  