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.fx .rays{height:220px;border-radius:14px;background:#0c1424;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.fx .rays .sun{width:80px;height:80px;border-radius:50%;background:radial-gradient(#fff,#ffd76a 60%,#ff9a3e);box-shadow:0 0 40px #ffd76a;position:relative;z-index:1}
.fx .rays::before{content:"";position:absolute;width:700px;height:700px;background:repeating-conic-gradient(rgba(255,215,106,.26) 0deg 6deg,transparent 6deg 18deg);animation:kfx-rays 30s linear infinite}
@keyframes kfx-rays{to{transform:rotate(360deg)}}<div class="fx">
<div class="rays"><div class="sun"></div></div>
</div>