.loader {
    position: fixed;
    width: 20vw;
    height: 20vw;
    top:35%;
    left:40%;
    z-index:999;

}

    .loader:before, .loader:after {
        content: '';
        border-radius: 50%;
        position: absolute;
        inset: 0;
        box-shadow: 0 0 1vw 1vw rgba(0, 0, 0, 0.3) inset;
    }

    .loader:after {
        box-shadow: 0 1vw 0 #FF3D00 inset;
        animation: rotate 2s linear infinite;
    }

@keyframes rotate {
    0% {
        transform: rotate(0)
    }

    100% {
        transform: rotate(360deg)
    }
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent background */
    z-index: 999; /* Ensure it is above other elements */
}