<style is="custom-style">
body {
  background-color: var(--paper-grey-50);
}
paper-progress {
  width: 100%;
}
paper-progress.blue {
  paper-progress-active-color: var(--paper-light-blue-500);
  paper-progress-secondary-color: var(--paper-light-blue-100);
}
paper-toggle-button.blue {
  --paper-toggle-button-checked-bar-color:  var(--paper-light-blue-500);
  --paper-toggle-button-checked-button-color:  var(--paper-light-blue-500);
  --paper-toggle-button-checked-ink-color: var(--paper-light-blue-500);
  --paper-toggle-button-unchecked-bar-color:  var(--paper-light-blue-900);
  --paper-toggle-button-unchecked-button-color:  var(--paper-light-blue-900);
  --paper-toggle-button-unchecked-ink-color: var(--paper-light-blue-900);
}
paper-button {
  display: block;
  width: 40px;
  height: 40px;
  min-width: 0em;
  margin: 0.2em 0.2em;
}
paper-button.blue {
  color: var(--paper-light-blue-500);
  paper-button-flat-focus-color: var(--paper-light-blue-50);
}
#cards {
  margin-left: auto;
  margin-right: auto;
  max-width: 400px;
}
paper-card {
  margin-bottom: 5px;
  margin-top: 5px;
  width: 100%;
}
</style>
