src/components/prehistoric-mode/prehistoric-mode.css

.prehistoric-mode {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.prehistoric-background{
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 90%;
    z-index: 50;
    pointer-events: none;
    background: transparent url('./background.png') center center;
	animation:jitter 2.5s linear infinite;
}


@keyframes jitter{
    0%{transform:scale(1.0385841106898348);}
    5% {transform:scale(1.045596657989466);}
	10% {transform:scale(1.029923116529907);}
    15% {transform:scale(1.059010318189378);}
	20% {transform:scale(1.0868915738701577);}
    25% {transform:scale(1.0771183924324506);}
	30% {transform:scale(1.0780695942284886);}
    35% {transform:scale(1.081268381642509);}
	40% {transform:scale(1.0446864380239975);}
    45% {transform:scale(1.0822226558561991);}
	50% {transform:scale(1.0703574969484024);}
    55% {transform:scale(1.0131626458532954);}
	60% {transform:scale(1.0638351688496082);}
    65% {transform:scale(1.0254684750877292);}
	70% {transform:scale(1.0409969735315965);}
    75% {transform:scale(1.029863208069294);}
	80% {transform:scale(1.043175299252114);}
    85% {transform:scale(1.022196668538089);}
	90% {transform:scale(1.042465864842523);}
    95% {transform:scale(1.04090035265691);}
    100% {transform:scale(1.0385841106898348);}
}

.torch {
    position: absolute;
    pointer-events: none;
    opacity: 80%;
    z-index: 50;
}