excalidraw/src/components/SidebarLockButton.scss

@import "../css/variables.module";

.excalidraw {
  .layer-ui__sidebar-lock-button {
    @include toolbarButtonColorStates;
    margin-right: 0.2rem;
  }
  .ToolIcon_type_floating .side_lock_icon {
    width: calc(var(--space-factor) * 7);
    height: calc(var(--space-factor) * 7);
    svg {
      // mirror
      transform: scale(-1, 1);
    }
  }

  .ToolIcon_type_checkbox {
    &:not(.ToolIcon_toggle_opaque):checked + .side_lock_icon {
      background-color: var(--color-primary);
    }
  }
}