.tooltip {
  position: absolute;
  left: calc(100% + 1rem);
  width: 15em;
  background: var(--white-color);
  padding: calc(var(--main-diff) / 2);
  border-radius: 0.5rem;
  cursor: none;
  box-shadow: 0 0 1rem 0.1rem var(--shadow-color);
  line-height: 1.6;
  transition: all 200ms ease-in-out;
  opacity: 0;
  visibility: hidden;
}

.tooltip span {
  color: var(--gray-color);
}

.t-swell:hover {
  opacity: 1;
}

/* MOBILE */
@media only screen and (max-width: 600px) {
  .t-swell span .language-show {
    display: block;
  }

  .t-swell:hover .tooltip {
    visibility: visible;
    opacity: 1;
  }

  .tooltip {
    opacity: 0;
    visibility: hidden;
  }
}

/* DESKTOP */
@media only screen and (min-width: 600px) {

  /* t-swell */
  .t-swell:hover .tooltip {
    visibility: visible;
    opacity: 1;
  }

  .tooltip {
    opacity: 0;
    visibility: hidden;
  }

  .t-swell>span {
    bottom: 0;
    transform-origin: bottom left;
  }
}

@media (max-height:550px) {
  .t-swell span .language-show {
    display: block;
    bottom: auto;
  }

  .tooltip {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    width: calc(100% - var(--main-diff) * 2);
    transform: translate(-50%, -50%);
  }
}