.back {
    background: #1f2122;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}
.light {
    width: 100%;
    height: 100%;
    animation: firelight 2s ease infinite;
    background: radial-gradient(ellipse at bottom, rgba(255, 193, 7, 0.15) 0%, rgba(255, 193, 7, 0) 90%);
    position: fixed;
    z-index: -1;
    bottom: 0;
    left: 0;
    bottom: 0;
}
@keyframes firelight {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 1;
    }
}
.content-crossfire {
    position: fixed;
    left: 50%;
    bottom: 0;
    margin: 0 0 -30px -100px;
    width: 200px;
    height: 200px;
    overflow: hidden;
    border-radius: 100%;
}
.content-crossfire .fire {
    filter: url(#goo);
    position: absolute;
    width: 100%;
    height: 100%;
}
.content-crossfire div.bottom {
    position: absolute;
    left: 50px;
    bottom: 0;
    width: 100px;
    height: 30px;
    background: #ff9800;
    border-radius: 30px;
}
.content-crossfire figure {
    position: absolute;
    margin: 0 0 -15px;
    left: calc(50% - 70px);
    bottom: 0;
    width: 70px;
    height: 70px;
    background: #ff9800;
    border-radius: 100%;
}
.content-crossfire figure:nth-child(1) {
    animation: firecircle 1.2s 0.14s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 6px;
    margin-bottom: -18px;
}
.content-crossfire figure:nth-child(2) {
    animation: firecircle 1.2s 0.28s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 63px;
    margin-bottom: -32px;
}
.content-crossfire figure:nth-child(3) {
    animation: firecircle 1.2s 0.42s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 63px;
    margin-bottom: -38px;
}
.content-crossfire figure:nth-child(4) {
    animation: firecircle 1.2s 0.56s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 37px;
    margin-bottom: -36px;
}
.content-crossfire figure:nth-child(5) {
    animation: firecircle 1.2s 0.7s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 5px;
    margin-bottom: -32px;
}
.content-crossfire figure:nth-child(6) {
    animation: firecircle 1.2s 0.84s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 10px;
    margin-bottom: -20px;
}
.content-crossfire figure:nth-child(7) {
    animation: firecircle 1.2s 0.98s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 54px;
    margin-bottom: -31px;
}
.content-crossfire figure:nth-child(8) {
    animation: firecircle 1.2s 1.12s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 1px;
    margin-bottom: -18px;
}
.content-crossfire figure:nth-child(9) {
    animation: firecircle 1.2s 1.26s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 65px;
    margin-bottom: -40px;
}
.content-crossfire figure:nth-child(10) {
    animation: firecircle 1.2s 1.4s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 37px;
    margin-bottom: -37px;
}
.content-crossfire figure:nth-child(11) {
    animation: firecircle 1.2s 1.54s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 34px;
    margin-bottom: -30px;
}
.content-crossfire figure:nth-child(12) {
    animation: firecircle 1.2s 1.68s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 36px;
    margin-bottom: -34px;
}
.content-crossfire figure:nth-child(13) {
    animation: firecircle 1.2s 1.82s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 68px;
    margin-bottom: -19px;
}
.content-crossfire figure:nth-child(14) {
    animation: firecircle 1.2s 1.96s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 16px;
    margin-bottom: -40px;
}
.content-crossfire figure:nth-child(15) {
    animation: firecircle 1.2s 2.1s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 50px;
    margin-bottom: -19px;
}
.content-crossfire figure:nth-child(16) {
    animation: firecircle 1.2s 2.24s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 18px;
    margin-bottom: -24px;
}
.content-crossfire .reverse div {
    position: absolute;
    margin: 0 0 -15px;
    left: 0;
    bottom: 0;
    width: 70px;
    height: 70px;
    background: #1f2122;
    border-radius: 100%;
}
.content-crossfire .reverse div:nth-child(1) {
    animation: firereverseleft 1.2s 0.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 16px;
    margin-bottom: -30px;
}
.content-crossfire .reverse div:nth-child(2) {
    animation: firereverseleft 1.2s 1s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 8px;
    margin-bottom: -29px;
}
.content-crossfire .reverse div:nth-child(3) {
    animation: firereverseleft 1.2s 1.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 1px;
    margin-bottom: -40px;
}
.content-crossfire .reverse div:nth-child(4) {
    animation: firereverseleft 1.2s 2s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 18px;
    margin-bottom: -37px;
}
.content-crossfire .reverse div:nth-child(5) {
    left: 120px;
    animation: firereverseright 1.2s 0.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 3px;
    margin-bottom: -25px;
}
.content-crossfire .reverse div:nth-child(6) {
    left: 120px;
    animation: firereverseright 1.2s 1s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 12px;
    margin-bottom: -19px;
}
.content-crossfire .reverse div:nth-child(7) {
    left: 120px;
    animation: firereverseright 1.2s 1.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 7px;
    margin-bottom: -33px;
}
.content-crossfire .reverse div:nth-child(8) {
    left: 120px;
    animation: firereverseright 1.2s 2s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 8px;
    margin-bottom: -37px;
}
@keyframes firecircle {
    0% {
        transform: translateY(0) scale(1);
        background: #ff9800;
    }
    100% {
        transform: translateY(-175px) scale(0);
        background: #ffc107;
    }
}
@keyframes firereverseleft {
    0% {
        transform: translateY(0) translateX(0) scale(0.3);
    }
    100% {
        transform: translateY(-175px) translateX(50px) scale(1);
    }
}
@keyframes firereverseright {
    0% {
        transform: translateY(0) translateX(0) scale(0.3);
    }
    100% {
        transform: translateY(-175px) translateX(-50px) scale(1);
    }
}