styles.css

.bslib-sidebar-layout>.sidebar>.sidebar-content {
  padding: 1.5rem;
}

.bslib-sidebar-layout>.main {
  padding: 1.5rem;
}

.shiny-notification {
  position: 
  top: 0%;
  margin-left: auto;
  margin-right: auto;
  width: 10%;
  background-color: rgba(182, 186, 191);
}