.loader-51 {
    position: relative;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    transform: perspective(500px) rotateX(60deg);
}

.loader-51>span {
    position: absolute;
    display: block;
    border: 2px solid var(--main-text-color);
    box-sizing: border-box;
    border-radius: 50%;
    animation: animate-loader-51 3s ease-in-out infinite;
    opacity: 0; /* Hide elements initially */
}

@keyframes animate-loader-51 {
    0% {
        transform: translateZ(-50px);
        opacity: 0; /* Keep hidden at the start */
    }
    10%,
    90% {
        opacity: 1; /* Show elements during the animation */
    }
    100% {
        transform: translateZ(-50px);
        opacity: 0; /* Hide elements at the end */
    }
    50% {
        transform: translateZ(50px);
    }
}

.loader-51>span:nth-child(1) {
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    animation-delay: 1.44s;
}

.loader-51>span:nth-child(2) {
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    animation-delay: 1.3s;
}

.loader-51>span:nth-child(3) {
    top: 12px;
    left: 12px;
    right: 12px;
    bottom: 12px;
    animation-delay: 1.2s;
}

.loader-51>span:nth-child(4) {
    top: 18px;
    left: 18px;
    right: 18px;
    bottom: 18px;
    animation-delay: 1.1s;
}

.loader-51>span:nth-child(5) {
    top: 24px;
    left: 24px;
    right: 24px;
    bottom: 24px;
    animation-delay: 1s;
}

.loader-51>span:nth-child(6) {
    top: 30px;
    left: 30px;
    right: 30px;
    bottom: 30px;
    animation-delay: 0.9s;
}

.loader-51>span:nth-child(7) {
    top: 36px;
    left: 36px;
    right: 36px;
    bottom: 36px;
    animation-delay: 0.8s;
}

.loader-51>span:nth-child(8) {
    top: 42px;
    left: 42px;
    right: 42px;
    bottom: 42px;
    animation-delay: 0.7s;
}

.loader-51>span:nth-child(9) {
    top: 48px;
    left: 48px;
    right: 48px;
    bottom: 48px;
    animation-delay: 0.6s;
}

.loader-51>span:nth-child(10) {
    top: 54px;
    left: 54px;
    right: 54px;
    bottom: 54px;
    animation-delay: 0.5s;
}

.loader-51>span:nth-child(11) {
    top: 60px;
    left: 60px;
    right: 60px;
    bottom: 60px;
    animation-delay: 0.4s;
}

.loader-51>span:nth-child(12) {
    top: 66px;
    left: 66px;
    right: 66px;
    bottom: 66px;
    animation-delay: 0.3s;
}

.loader-51>span:nth-child(13) {
    top: 72px;
    left: 72px;
    right: 72px;
    bottom: 72px;
    animation-delay: 0.2s;
}

.loader-51>span:nth-child(14) {
    top: 78px;
    left: 78px;
    right: 78px;
    bottom: 78px;
    animation-delay: 0.1s;
}

.loader-51>span:nth-child(15) {
    top: 84px;
    left: 84px;
    right: 84px;
    bottom: 84px;
    animation-delay: 0s;
}