body {
  background: linear-gradient(-45deg, #353434, #47476a, #3b383c, #3b303b);
  background-size: 400% 400%;
  animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}


.navbar-nav .nav-link {
  position: relative;
  color: #fff !important;
  transition: color 0.3s;
}
.navbar-nav .nav-link::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: #0d6efd;
  transition: width 0.3s;
  margin: auto;
}
.navbar-nav .nav-link:hover::after { width: 100%; }

.profile-pic {
  width: 40px;
  height: 40px;
  border: 2px solid #fff;
  cursor: pointer;
}


.footer {
  background: #111418;
  color: #ffffff;
  padding: 20px 0;
  text-align: center;
  margin-top: 40px;
}
.footer img.footer-icon {
  width: 28px;
  height: 28px;
  margin: 0 8px;
  vertical-align: middle;
  transition: transform 0.3s;
}
.footer img.footer-icon:hover { transform: scale(1.2); }
.footer p { margin: 10px 0 0; font-size: 14px; color: #bbb; }

nav ul{
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}