@keyframes flash {
  0% {
    background: rgb(0, 0, 0);
  }
  50% {
    background: rgb(255, 0, 0);
  }
  100% {
    background: rgb(0, 0, 0);
  }
}

body {
  
  background: url('https://i.imgur.com/VqwRbPq.png');
  text-align: center;
  margin: 0;
  
}


main {

  text-align: center;
  background: black;
  color: white;
  
  width: 50%;
  margin: 0 auto;
  padding: 20px;  
  
  border: 5px white double;

  
}

#embed {

  margin: 0 auto;
  
}

#logo {
  filter: drop-shadow(0 0 0.75rem white);
  max-width: 50%;
}

li {
  display:inline;
  
}

.link-list {
  width: 50px;  
}

.link-list:hover {
  width: 60px;  
}

ul {

  padding-left: 0px;
  
}

footer, header {

  background: black;
  color: white;
  max-height: 100px;
  animation: flash 1s ease-in-out infinite;
  
}

marquee h2 {
  margin: 0;
}