.fire-particle{opacity:.8;background:radial-gradient(circle,#ff9600 0%,#ff3c00b3 60%,#0000 100%);border-radius:50%;width:5px;height:5px;animation:6s linear infinite rise;position:absolute;bottom:0;box-shadow:0 0 10px #ff6400cc}.fire-particle:nth-child(2n){opacity:.6;width:4px;height:4px;animation-duration:8s}@keyframes rise{0%{opacity:.9;left:calc(50% + (random() - .5)*100px);transform:translateY(0)scale(1)}50%{opacity:1}to{opacity:0;left:calc(50% + (random() - .5)*200px);transform:translateY(-80vh)scale(.3)}}