* {
    margin: 0;
    font-family: "Comic Sans MS", sans-serif;
    text-align: center;
}

@keyframes spinnn {
    0% {
        transform: rotate(0);
        opacity: 0.3;
    }
    50% {
        transform: rotate(360deg);
        opacity: 1;
    }
    100% {
        transform: rotate(720deg);
        opacity: 0.3;
    }
  }

marquee {
    font-size: 92px;
}

html,
body {
    height: 100%;
}

body {
    width: 100%;
    background: linear-gradient(to bottom, red, orange, yellow, green, blue, indigo, violet);
}

img {
    animation-name: spinnn;
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

.scary {
    filter: invert(1);
}