Overleaf/services/web/frontend/stylesheets/bootstrap-5/components/button.scss

.button-loading {
  align-items: center;
  display: inline-grid;
  grid-template-areas: 'container'; // Define a single grid area
}

.button-loading > * {
  grid-area: container; // Position all the direct children within the single grid area
}

.button-loading .spinner-container {
  display: flex;
  justify-content: center;
  align-items: center;

  .loading-spinner-small {
    border-width: 0.2em;
    height: 20px;
    width: 20px;
  }
  .loading-spinner-large {
    border-width: 0.2em;
    height: 24px;
    width: 24px;
  }
}

// Hide the text when the spinner is visible
.button-loading > [aria-hidden='true'] {
  visibility: hidden;
}

.button-content {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-04); // Add gap between text and icons

  .icon-small {
    font-size: 20px;
  }

  .icon-large {
    font-size: 24px;
  }
}

.icon-button-small {
  padding: var(--spacing-01);
}

.icon-button-default {
  padding: var(--spacing-04);
}

.icon-button-large {
  padding: var(--spacing-05);
}