/* reset básico */
.foo {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.foo1 {
  writing-mode: vertical-rl;
  transform: rotate(360deg);
}

/* ----------- efeito no seta scii  ----------------*/
.seta {
   writing-mode: vertical-rl;
  transform: rotate(90deg); 	
}