.header-background{
  width: 100%;
  position: fixed;
  filter: blur(7px);
  background-image: url('./kys.jpg');
  background-position: center;
  background-size: cover;
  height: 60px;
  padding: 2rem 0;
}
header{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  padding: 2rem 0;
  z-index: 0;
}
.site-link {
  z-index: 1;
  font-size: 3rem;
  padding: 2rem 0;
  flex-grow: 1;
  background-color: rgba(255, 255, 255, .3);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
@keyframes rotate{ 
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
.site-link:hover > div{
  animation: rotate 1s infinite;
}
#gift{ 
  display: none;
  position: fixed;
  width: 200px;
  height: 400px;
}
#game-link {
  font-size: 3rem;
}
#game-link:hover + #gift {
  display: block;
}