excalidraw/src/excalidraw-app/index.scss

.excalidraw {
  --color-primary-contrast-offset: #625ee0; // to offset Chubb illusion

  &.theme--dark {
    --color-primary-contrast-offset: #726dff; // to offset Chubb illusion
  }
  .layer-ui__wrapper__footer-center {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    margin-bottom: auto;
    margin-inline-start: auto;
  }

  .encrypted-icon {
    border-radius: var(--space-factor);
    color: var(--color-primary);
    margin-top: auto;
    margin-bottom: auto;
    margin-inline-start: auto;
    margin-inline-end: 0.6em;

    svg {
      width: 1.2rem;
      height: 1.2rem;
    }
  }
}
.excalidraw-app.is-collaborating {
  [data-testid="clear-canvas-button"] {
    visibility: hidden;
    pointer-events: none;
  }
}

.plus-button {
  display: flex;
  justify-content: center;
  cursor: pointer;
  align-items: center;
  border: 1px solid var(--color-primary);
  padding: 0.6em 0.7em;
  border-radius: var(--space-factor);
  color: var(--color-primary) !important;
  margin: 8px;
  text-decoration: none !important;

  &:hover {
    background-color: var(--color-primary);
    color: white !important;
  }

  &:active {
    background-color: var(--color-primary-darker);
  }
}