@keyframes bd-float{0%,to{opacity:var(--bd-particle-opacity);transform:translateY(0)translate(0)scale(1)}25%{opacity:calc(var(--bd-particle-opacity)*.7);transform:translateY(-30px)translate(15px)scale(1.1)}50%{opacity:var(--bd-particle-opacity);transform:translateY(-15px)translate(-10px)scale(.9)}75%{opacity:calc(var(--bd-particle-opacity)*.6);transform:translateY(-40px)translate(20px)scale(1.05)}}