body {
  margin: 0;
  color: #1b1a20;
  font-family: "Roboto", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.header {
  padding: 16px 20px;
  text-align: center;
  background-color: #dddddd;
}

.subtitle {
  color: #cc0000;
  font-size: 0.95rem;
  font-weight: 900;
  text-transform: uppercase;
}

.header img {
  display: block;
  max-width: min(65%, 509px);
  max-height: 60px;
  margin: 20px auto;
}

.contact {
  margin-top: 6px;
  font-size: 1rem;
}

.contact i {
  margin-right: 6px;
}

.contact a {
  color: #cc0000;
  font-weight: 900;
  text-decoration: none;
}

.contact a:hover,
.contact a:focus-visible {
  text-decoration: underline;
}

.main-whatsapp-link {
  position: fixed;
  top: 0;
  left: 0;
  padding: 5px 10px;
  font-size: 45px;
  background-color: #26cd65;
  cursor: pointer;
  opacity: 0.85;
  border-bottom-right-radius: 20%;
}

.main-whatsapp-link a {
  color: #ffffff;
}

@media (max-width: 640px) {
  .header {
    padding-right: 64px;
    padding-left: 64px;
  }

  .subtitle,
  .contact {
    font-size: 0.9rem;
  }

  .header img {
    max-width: 100%;
  }

  .main-whatsapp-link {
    padding: 4px 8px;
    font-size: 40px;
  }
}