body { font-family: 'Poppins', sans-serif; }

.hardware-gpu {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.bubble-1 { animation-delay: 0s; left: 7%; }
.bubble-2 { animation-delay: 3s; left: 28%; }
.bubble-3 { animation-delay: 6s; left: 45%; }
.bubble-4 { animation-delay: 1.5s; left: 65%; }
.bubble-5 { animation-delay: 4.5s; left: 82%; }
.bubble-6 { animation-delay: 8s; left: 93%; }
.bubble-7 { animation-delay: 2s; left: 18%; }
.bubble-8 { animation-delay: 5s; left: 38%; }
.bubble-9 { animation-delay: 11s; left: 55%; }
.bubble-10 { animation-delay: 7s; left: 73%; }
.bubble-11 { animation-delay: 9.5s; left: 88%; }
.bubble-12 { animation-delay: 13s; left: 3%; }