body {
  background: linear-gradient(-45deg, #ffea05, #ff531f, #cc1eb5, #2f34c6, #56f59b, #3cf708);
  background-size: 600% 700%;
  animation: gradient 20s infinite;
}
@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}



.btn {
  text-decoration: none;
  padding: 0.6rem;
  border: 1px solid #333333;
  background: #81df8c;
  border-radius: 10px;
  color: #000033;
}

.btn:hover {
  background: #437548;
  color: #000099;
}

p {
  font-size: 20px;
  color: #000033;
}

h1 {
  color: darkblue;
  text-align: center;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.item {
  width: calc(33.33% - 20px);
  margin-bottom: 20px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.3);
  background-color: #FFFFFF;
  text-align: center;
  opacity: 75%;
  
}

.item img {
  width: 80%;
  height: auto;
  
}

h3 {
  color: #010057;
  white-space: wrap;
  padding: 10px;
}

.item:hover {
  opacity: 100%;
}

@media (max-width: 600px) {
  .item {
    width: calc(50% - 20px);
  }
}

@media (mix-width: 200px) {
  .item {
    width: 100%;
  }
}