p5.js-web-editor/client/styles/components/_error-modal.scss

.error-modal {
  @extend %modal;
  display: flex;
  flex-wrap: wrap;
  flex-flow: column;
}

.error-modal__header {
  display: flex;
  justify-content: space-between;
  padding: #{20 / $base-font-size}rem;
}

.error-modal__exit-button {
  @include icon();
}

.error-modal__content {
  padding: #{20 / $base-font-size}rem;
  padding-top: 0;
  padding-bottom: #{60 / $base-font-size}rem;
}