body {
  font-family: poppins;
  background-color: #4c4819;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

section {
  max-width: 100%;
  margin: 0 auto;
  padding: 50px 100px;
}

section.secondary {
  background: rgba(246, 240, 240, 0.832);
}

header {
  background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url(https://i0.wp.com/enthusiasticgardener.com/wp-content/uploads/2019/11/19-11-19-Telegraph-Hill-Park-LR-3893.jpg?resize=1200%2C800&ssl=1);
  background-repeat: no-repeat;
  background-size: cover;
  color: white;
  text-align: center;
  line-height: 1.5;
  padding: 100px;
}

header h1 {
  font-weight: 700;
  font-size: 65px;
}

header h2 {
  font-weight: 400;
  font-size: 30px;
}

header h3 {
  font-weight: 500;
  font-size: 24px;
  letter-spacing: 3px;
}

header a {
  font-weight: 700;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  color: #4c4819;
  padding: 16px 32px;
  margin-top: 32px;
  display: inline-block;
  letter-spacing: 3px;
  text-decoration: none;
  text-transform: uppercase;
  background: white;
  border-radius: 8px;
  border: none;
}

main {
  background-color: white;
  color: #4c4819;
  margin: 0;
  font-size: 14px;
  line-height: 2;
}

main h2 {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  letter-spacing: 5px;
  color: #4c4819;
  opacity: 0.3;
  text-transform: uppercase;
}

main h3 {
  font-weight: 700;
  font-size: 25px;
  line-height: 1.5;
  color: #4c4819;
  margin: 0;
}

main h4 {
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  color: #4c4819;
  margin: 0;
}

main h5 {
  font-weight: 700;
  font-size: 13px;
  margin: 0;
  line-height: 1;
  color: #4c4819;
}

main p {
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.5;
  color: #4c4819;
  opacity: 0.7;
}

.text-center {
  text-align: center;
}

.img-park {
  max-width: 100%;
  padding: 5px;
  margin: 0 auto;
}

.card img {
  max-width: 100%;
  margin-bottom: 10px;
  max-height: 400px;
  display: block;
}

.grid {
  display: grid;
  grid-gap: 60px;
}
.grid-footer {
  grid-template-columns: 1fr 2fr 2fr;
}

.grid2 {
  grid-template-columns: 1fr 1fr;
}

.grid3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.card {
  background: white;
  padding: 20px;
  line-height: 1;
}

.btn {
  display: block;
  color: white;
  font-weight: 700;
  font-size: 14px;
  line-height: 21px;
  text-align: center;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 16px;
  background-color: #4c4819;
  text-decoration: none;
}
footer {
  color: white;
  background-image: linear-gradient(
      rgba(76, 72, 25, 0.7),
      rgba(76, 72, 25, 0.7)
    ),
    url(https://i0.wp.com/enthusiasticgardener.com/wp-content/uploads/2019/11/19-11-19-Telegraph-Hill-Park-LR-3893.jpg?resize=1200%2C800&ssl=1);
  background-repeat: no-repeat;
  background-size: cover;
  font-size: 12px;
  padding: 50px;
}

footer ul {
  padding: 0;
  margin-right: 20px;
}
footer li {
  list-style: none;
}

footer a {
  color: white;
  opacity: 0.7;
}

footer p {
  opacity: 0.7;
}

@media (max-width: 960px) {
  header {
    padding: 50px;
  }

  header h1 {
    font-size: 40px;
  }

  header h3 {
    font-size: 18px;
  }

  header h2 {
    font-size: 20px;
  }

  section {
    padding: 30px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .card {
    margin: 0 auto;
  }

  iframe {
    max-width: 100%;
  }
}