.intro {
  background-color: #f7f7f7;
  padding: 80px 0;
}

.intro h1 {
  font-size: 36px;
  color: #333;
}

.intro p {
  font-size: 18px;
  color: #555;
}

.intro img {
  border-radius: 10px;
}

.card {
  border: none;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.card-img-top {
  border-radius: 10px 10px 0 0;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
}

.card-text {
  font-size: 16px;
  color: #555;
}

.card-link {
  font-size: 16px;
  color: #555;
}

.card-link:hover {
  color: #333;
}

.card-footer {
  background-color: #f7f7f7;
  border-top: none;
  border-radius: 0 0 10px 10px;
}

.card-footer .btn {
  border-radius: 10px;
}

.card-footer .btn:hover {
  background-color: #343a40;
  color: #fff;
}

.about {
  background-color: #f7f7f7;
  padding: 80px 0;
}

.about h1 {
  font-size: 36px;
  color: #333;
}

.about p {
  font-size: 18px;
  color: #555;
}

.about img {
  border-radius: 10px;
}

.about .btn {
  border-radius: 10px;
}

.about .btn:hover {
  background-color: #343a40;
  color: #fff;
}

.services {
  background-color: #f7f7f7;
  padding: 80px 0;
}

.services h1 {
  font-size: 36px;
  color: #333;
}

.services p {
  font-size: 18px;
  color: #555;
}

.services img {
  border-radius: 10px;
}

.services .btn {
  border-radius: 10px;
}

.services .btn:hover {
  background-color: #343a40;
  color: #fff;
}

/* services space between rows */
.services .card {
  margin-bottom: 20px;
}

.products {
  background-color: #f7f7f7;
  padding: 80px 0;
}

.products h1 {
  font-size: 36px;
  color: #333;
}

.products p {
  font-size: 18px;
  color: #555;
}

.products img {
  border-radius: 10px;
}

.products .btn {
  border-radius: 10px;
}

.products .btn:hover {
  background-color: #343a40;
  color: #fff;
}

.research-partners {
  background-color: #f7f7f7;
  padding: 80px 0;
}

.research-partners h1 {
  font-size: 36px;
  color: #333;
}

.research-partners p {
  font-size: 18px;
  color: #555;
}

.research-partners img {
  border-radius: 10px;
}

.research-partners .btn {
  border-radius: 10px;
}

.research-partners .btn:hover {
  background-color: #343a40;
  color: #fff;
}