body, html {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: black;
    height: 100%;
    width: 100%;
}

.flame-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

@keyframes flicker {
    0% {
        opacity: 0.9;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.9;
    }
}