.main-title {
  font-size: 45px;
  font-weight: 400;
  position: relative;
  top: 307px;
  left: 60px;
}

.main-title::after {
  display: block;
  content: "";
  border: 3px solid white;
  width: 590px;
}

.main-subtitle {
  font-size: 2rem;
  text-decoration: underline;
  text-align: center;
  margin-bottom: 2.5rem;
  color: #fff;
  margin-top: 20px;
}

.main-subtitle.-black {
  color: #000;
}

.main-paragraph {
  font-size: 1.5rem;
  color: #000;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 890px) {
  .main-title {
    font-size: 25px;
    left: 35px;
  }
  .main-title:after {
    width: 325px;
  }
}