body {
    display: grid;
    background: linear-gradient(#e66465, #9198e5);
    align-items: center;
    justify-items: center;
    overflow: hidden;
}

.image-wrapper {
    position: relative;
    height: 100vh;
    width: 100vh;
}

#chimney {
    position: absolute;
    left: 45%;
    top: 50%;
}

#nozzle {
    position: absolute;
    left: 45%;
    top: 30%;
}

#oxygen-valve {
    position: absolute;
    left: 42%;
    top: 75%;
}

#gas-tube {
    position: absolute;
    left: 70%;
    top: 68%;
}

#flameimg {
    position: absolute;
    left: 36%;
    top: 5%;
    width: 25%;
    height: auto;
    /* visibility: hidden; */
    animation: rotate infinite 2s alternate;
    transform-origin: 50% 100%;
}

@keyframes rotate {
    from {
        transform: rotate(-3deg);
    }

    to {
        transform: rotate(3deg);
    }
}

#flintimg {
    position: absolute;
    width: 50%;
    height: auto;
    left: 0%;
    top: 0%;
    z-index: 2;
}
#flint {
    position: absolute;
    left: 30%;
    top: 10%;
    z-index: 3;
}
#step1 {
    position: absolute;
    left: 80%;
    top: 65%;
}
#step2 {
    position: absolute;
    left: 30%;
    top: 10%;
    z-index: 4;
}
#step3 {
    position: absolute;
    left: 40%;
    top: 75%;
    z-index: 4;
}