main {
  padding-top: 160px;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 5vw;
  padding-right: 5vw;
  padding-bottom: 100px;
}

h1 {
  font-size: 3.8rem;
  font-weight: 400;
  letter-spacing: -1px;
  margin-bottom: 60px;
  text-align: center;
  color: #1a1a1a;
}

.about-text {
  font-size: 1.3rem;
  font-weight: 300;
  max-width: 800px;
  margin: 0 auto 100px;
  text-align: center;
  color: #4a4a4a;
  background: rgba(140, 152, 175, 0.06);
  padding: 60px 80px;
  border-radius: 2px;
  line-height: 1.7;
}

.about-text p {
  margin-bottom: 1.5em;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.signature {
  font-family: 'Times New Roman', serif;
  font-size: 3rem;
  font-style: italic;
  text-align: center;
  color: #555;
  margin: 100px 0 60px;
  letter-spacing: 0;
  opacity: 0.8;
  position: relative;
}

.signature::before,
.signature::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 60px;
  height: 1px;
  background: #ddd;
}

.signature::before {
  left: calc(50% - 100px);
}

.signature::after {
  right: calc(50% - 100px);
}

@media (max-width: 1024px) {
  .about-text {
    padding: 50px 40px;
    margin-bottom: 80px;
  }
}

@media (max-width: 768px) {
  main {
    padding-top: 140px;
  }

  h1 {
    font-size: 2.8rem;
    margin-bottom: 40px;
  }

  .about-text {
    font-size: 1.15rem;
    padding: 40px 30px;
    margin-bottom: 60px;
  }

  .signature {
    font-size: 2.4rem;
    margin: 80px 0 40px;
  }

  .signature::before,
  .signature::after {
    width: 30px;
  }

  .signature::before {
    left: calc(50% - 60px);
  }

  .signature::after {
    right: calc(50% - 60px);
  }
}

@media (max-width: 480px) {
  .about-text {
    padding: 30px 20px;
  }

  .signature::before,
  .signature::after {
    display: none;
  }
}