.banner-tigoXmovistar{
  position: relative;
  width: 90%;
  max-width: 1132px;
  margin: 40px auto;
}

.banner-tigoXmovistar img {
  display: block;
  width: 100%;
  
  margin-top: -30px;
  border-radius: 15px;
}

.banner-tigoXmovistar a {
  position: absolute;
  height: 80px;
  width: 302px;
  right: 80px;
  bottom: 0;
}

@media only screen and (min-width: 768px) {
  
  .banner-tigoXmovistar a {
    right: 0;
    bottom: 0;
  }
   .banner-tigoXmovistar img {
    margin-top: -40px;
  }
  
}