img {
  user-select: none;
}

.navbar {
  transition: background-color 0.3s, top 0.3s;
}

.navbar.scrolled {
  background-color: #212529;
}

.navbar.hidden {
  top: -136px;
}

.nav-link {
  color: rgb(255, 255, 255);
  border-bottom: 1px solid transparent;
  transition: all .3s;
}

.nav-link:hover {
  color: aqua;
  border-bottom: 1px solid aqua;
}

/* .dropdown-toggle{
  color: gray;
}

.dropdown-toggle:focus {
  color: gray;
  border-bottom: 1px solid gray;
} */

section:nth-child(even) {
  background-color: whitesmoke;
}

.card {
  transition: all .3s;
  overflow: hidden;
}

.card:hover {
  background-color: whitesmoke;
}

.card-icon {
  font-size: 3.5rem;
}

.icon {
  width: 200px;
  height: 200px;
  padding: 30px;
  border-radius: 100%;
}

.icon:hover h1 {
  font-size: 4.5rem;
}

.icon:hover img {
  transform: scale(1.2);
}

.icon h1 {
  transition: all .3s;
  font-size: 4rem;
}

.icon img {
  transition: transform .3s;
}

.card-tag {
  position: absolute;
  top: 0;
  right: 0;
  padding: 7px 10px;
  font-weight: 600;
}

.card-compatibility {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  gap: 20px;
}

.card-icons {
  font-size: 2.5rem;
  padding: 10px;
  position: absolute;
  top: 0;
  left: 0;
}

#contact {
  transition: all 0.3s;
}

#contact:hover {
  transform: scale(1.2);
}