.logoWsW {
  bottom: 0;
  position: fixed;
  z-index: 99;
}
.logoWsW img {
  opacity: 0.6;
  -webkit-opacity: 0.6;
  width: 80px;
}
.logoWsW img:hover,
.logoWsW img:focus {
  opacity: 1;
  -webkit-opacity: 1;
}

@media screen and (min-width: 350px) {
  .logoWsW img {
    width: 90px;
  }
}
/* @media screen and (min-width: 498px) {} */
@media screen and (min-width: 576px) {
  .logoWsW img {
    width: 100px;
  }
}
@media screen and (min-width: 650px) {
  .logoWsW img {
    width: 110px;
  }
}
@media screen and (min-width: 768px) {
  .logoWsW img {
    width: 90px;
  }
}
@media screen and (min-width: 850px) {
  .logoWsW img {
    width: 110px;
  }
}
@media screen and (min-width: 900px) {
  .logoWsW img {
    width: 130px;
  }
}
@media screen and (min-width: 1030px) {
  .logoWsW img {
    width: 140px;
  }
}
@media screen and (min-width: 1400px) {
  .logoWsW img {
    width: 150px;
  }
}