html {
    background-color: #000121;
    font-family: 'Roboto', sans-serif;
  
  }
  
  .maincontainer {
    position: relative;
    top: -50px;
    transform: scale(0.8);
    background: url("https://aimieclouse.com/Media/Portfolio/Error403Forbidden/HauntedHouseBackground.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 700px 600px;
    width: 800px;
    height: 600px;
    margin: 0px auto;
    display: grid;
  }
  
  .foregroundimg {
    position: relative;
    width: 100%;
    top: -230px;
    z-index: 5;
  }
  
  .errorcode {
    position: relative;
    top: -200px;
    font-family: 'Creepster', cursive;
    color: white;
    text-align: center;
    font-size: 6em;
    letter-spacing: 0.1em;
  }
  
  .errortext {
    position: relative;
    top: -260px;
    color: #FBD130;
    text-align: center;
    text-transform: uppercase;
    font-size: 1.8em;
  }
  
  .bat {
    opacity: 0;
    position: relative;
    transform-origin: center;
    z-index: 3;
  }
  
  .bat:nth-child(1) {
    top: 380px;
    left: 120px;
    transform: scale(0.5);
    animation: 13s 1s flyBat1 infinite linear;
  }
  
  .bat:nth-child(2) {
    top: 280px;
    left: 80px;
    transform: scale(0.3);
    animation: 8s 4s flyBat2 infinite linear;
  }
  
  .bat:nth-child(3) {
    top: 200px;
    left: 150px;
    transform: scale(0.4);
    animation: 12s 2s flyBat3 infinite linear;
  }
  
  .body {
    position: relative;
    width: 50px;
    top: 12px;
  }
  
  .wing {
    width: 150px;
    position: relative;
    transform-origin: right center;
  }
  
  .leftwing {
    left: 30px;
    animation: 0.8s flapLeft infinite ease-in-out;
  }
  
  .rightwing {
    left: -180px;
    transform: scaleX(-1);
    animation: 0.8s flapRight infinite ease-in-out;
  }
  
  @keyframes flapLeft {
    0% { transform: rotateZ(0); }
    50% { transform: rotateZ(10deg) rotateY(40deg); }
    100% { transform: rotateZ(0); }
  }
  
  @keyframes flapRight {
    0% { transform: scaleX(-1) rotateZ(0); }
    50% { transform: scaleX(-1) rotateZ(10deg) rotateY(40deg); }
    100% { transform: scaleX(-1) rotateZ(0); }
  }
  
  @keyframes flyBat1 {
    0% { opacity: 1; transform: scale(0.5)}
    25% { opacity: 1; transform: scale(0.5) translate(-400px, -330px) }
    50% { opacity: 1; transform: scale(0.5) translate(400px, -800px) }
    75% { opacity: 1; transform: scale(0.5) translate(600px, 100px) }
    100% { opacity: 1; transform: scale(0.5) translate(100px, 300px) }
  }
  
  @keyframes flyBat2 {
    0% { opacity: 1; transform: scale(0.3)}
    25% { opacity: 1; transform: scale(0.3) translate(200px, -330px) }
    50% { opacity: 1; transform: scale(0.3) translate(-300px, -800px) }
    75% { opacity: 1; transform: scale(0.3) translate(-400px, 100px) }
    100% { opacity: 1; transform: scale(0.3) translate(100px, 300px) }
  }
  
  @keyframes flyBat3 {
    0% { opacity: 1; transform: scale(0.4)}
    25% { opacity: 1; transform: scale(0.4) translate(-350px, -330px) }
    50% { opacity: 1; transform: scale(0.4) translate(400px, -800px) }
    75% { opacity: 1; transform: scale(0.4) translate(-600px, 100px) }
    100% { opacity: 1; transform: scale(0.4) translate(100px, 300px) }
  }
  
  /*@media only screen and (max-width: 850px) {
    .maincontainer {
      transform: scale(0.6);
      width: 600px;
      height: 400px;
      background-size: 600px 400px;
    }
    
    .errortext {
      font-size: 1em;
    }
  }*/