nav {
  background-color: #333;
  padding: 10px 0;
  text-align: center;
  font-family: sans-serif;
  
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline;
  margin-right: 20px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 20px;
  

}

.navbar a:hover {
  color: #ffd700;
  transition: 2s;
  border-bottom: 2px solid #ffd700;
  
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
  justify-content: space-evenly;
}

.card img {
  width: 300px;
  height: 400px;
  margin: 10px;
  perspective: 1500px;
  align-items: left;
  justify-content: space-evenly;
  /* box-shadow: 20px 20px 30px red; */
  filter: drop-shadow(20px 20px 30px rgb(50, 47, 47));
  border: 2px solid;
  filter: grayscale(100%);
  
}

.card img:hover
{
  filter: grayscale(0%);
  transition: 0.2s;
}

.card-inner {
  width: 300px;
  height: 400px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.4s;
}

.card:active .card-inner {
  transform: rotateY(180deg);
  transform: rotateY(180deg);

  /* transform: scale(); */
}

.card-front,
.card-back {
  width: 300px;
  height: 400px;
  position: absolute;
  backface-visibility: hidden;
}

.card-front {
  background-color: #f0f0f0;
}

.card-back {
  background-color: #333;
  color: #fff;
  transform: rotateY(180deg);
  padding: 20px;
}

.card-back h2 {
  margin-top: 0;
  font-size: 30px;
}

.card-back p {
  font-size: 20pxpx;
  color: #fff;
}

.circle
{
    height: 400px;
    width: 300px;
    border-radius: 50%;
    color: green;
}

.navbar h3 img
{
  height: 200px;
  width: 100px;
  float: left;
  margin-bottom: 0%;
}



body {
  margin: 0;
  padding: 0;
}
footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}
.footer-section {
  margin: 10px;
}
.footer-section h3 {
  margin-bottom: 10px;
}
.footer-section ul {
  list-style: none;
  padding: 0;
}
.footer-section ul li {
  margin-bottom: 5px;
  margin: 20px;
}
.social-icons a {
  color: #fff;
  margin: 0 5px;
  text-decoration: none;
  font-size: 20px;
}
.footer-section ul li a
{
  color: #fff;
}

.social-icons a:hover
{
  color: #ffd700;
}