h1 {
  opacity: 0;
  transition: all .5s;
}

div {
  height: 20px;
  width: 80px;
  border-radius: 20px;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  
  background-color: #2D26FF;
  color: #ffffff;
  transition: all .5s;
  
  &:hover {
    background-color: green;
    & ~ h1.hover {
      opacity: 1;
    }
  }
  
  &:active {
    background-color: red;
    
    & ~ h1.active {
      opacity: 1;
    }
    & ~ h1.hover {
      opacity: 0;
    }
  }
}