:root{--glitter:url(https://assets.codepen.io/13471/silver-glitter-background.png)}.fire{width:100%;height:100%}.fire:after,.fire:before{content:"";position:absolute;inset:0}.fire:before{content:"";background-image:var(--glitter),var(--glitter),linear-gradient(0deg,white 0,#ff8951 5px,#dcbc169c 30%,transparent 70%),radial-gradient(ellipse at bottom,transparent 30%,black 60%);background-size:350px 500px,400px 650px,100% 100%,100% 100%;background-blend-mode:hard-light,color-dodge,multiply;background-position:0 0,0 0,var(--gradientPos);background-repeat:repeat,repeat,repeat,no-repeat;mix-blend-mode:color-dodge;filter:brightness(3.7) blur(7px) contrast(6);animation:fire 1.75s linear infinite;box-shadow:inset 0 -40px 50px -60px #63bbc5}@keyframes fire{0%{background-position:center 0,center 0,50% 100%,50%}to{background-position:center -500px,center -650px,50% 100%,50%}}