body {
 background-image: url('https://killer-kill111.neocities.org/IMG_3024.jpg');
 background-size: cover;
 background-position: center;
 background-repeat: no-repeat;
}

  .Kills-logo {
    width: 300px;
    height: 300px;
    background-image: url('https://killer-kill111.neocities.org/logo.png');
    background-size: cover;
    background-position: center;
    
    margin: 0 auto;
}

@keyframes shakerandom {
  0% { transform: translate(0, 0);}
  10% { transform: translate(-3px, 4px)rotate(0deg);} 
  20% { transform: translate(5px, -2px)rotate(-2deg);}
  30% { transform: translate(-4px, 3px)rotate(3deg);} 
  40% { transform: translate(3px, -5px)rotate(-1deg);}
  50% { transform: translate(-2px, 4px)rotate(2deg);}
  60% { transform: translate(4px, -3px)rotate(-3deg);}
  70% { transform: translate(-5px, 2px)rotate(1deg);}
  80% { transform: translate(3px, -4px)rotate(2deg);}
  90% { transform: translate(-3px, 5px)rotate(-1deg);}
  100% { transform: translate(0, 0);}
}
.Kills-logo:hover {
  box-shadow: 0 0 20px red;
  animation: shakerandom 0.5s infinite;
}