.alianzas h3 {
  font-size: 50px;
  font-weight: 900;
  color: #434f53;
}
@media screen and (max-width: 991px) {
  .alianzas a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin-bottom: 20px;
  }
}
.alianzas a img {
  width: 80%;
  margin: auto;
}
.alianzas p {
  text-align: justify;
}