.contact-us {
  padding: 4rem 1rem;
  background-color: #004552;
  position: relative;
  overflow: hidden;
}
.contact-us p,
.contact-us a {
  color: #ffffff;
  position: relative;
  z-index: 90;
  text-align: center;
}
.contact-us .title {
  font-size: 20px;
  font-weight: bold;
}
.contact-us .subtitle {
  font-size: 15px;
  margin: 20px 0 30px 0
}
.contact-us a {
  text-decoration: none;
  border: 2px solid #ffffff;
  padding: 5px 15px;
  border-radius: 20px;
  transition: all 0.2s linear;
}
.contact-us a:hover {
  background-color: #ffffff;
  color: #004552;
}
.contact-us img {
  position: absolute;
  z-index: 50;
}
.contact-us .img2 {
  top: -20px;
  right: 0;
  width: 120px;
  opacity: 0.3;
}
.contact-us .img1 {
  display: none;
}
.contact-us .img3 {
  display: none;
}
@media (min-width: 586px) {
  .contact-us .title {
    font-size: 25px;
  }
}
@media (min-width: 768px) {
  .contact-us .title {
    font-size: 30px;
  }
  .contact-us .subtitle {
    font-size: 18px;
  }
  .contact-us .img1 {
    display: block;
    top: -20px;
    right: 50%;
    transform: translateX(50%);
    width: 180px;
    opacity: 0.3;
  }
}
@media (min-width: 992px) {
  .contact-us {
    padding: 6rem 0;
  }
  .contact-us .img3 {
    display: block;
    top: 0;
    left: 0;
    transform: scaleX(-1);
    width: 180px;
    opacity: 0.3;
  }
}