body {
  background-image: url("img/bg.jpg");
  background-size: cover;
  background-position: center;
  height: 100vh;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

header {
  text-align: center;
  padding: 20px;
}

header img {
  width: 250px;
  height: auto;
  margin: 0 auto;
}

main {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px;
}

.servidor {
  width: calc(33.33% - 20px);
  margin: 10px;
  position: relative;
}

.servidor img {
  width: 100%;
  height: auto;
  border-radius: 24px;
  transition: opacity 0.3s ease-in-out;
}

.servidor .hover {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.servidor:hover .hover {
  opacity: 1;
}

.survivor a {
  display: block;
  width: 100%;
  height: 100%;
}