#loading-spinner {
    display: none;
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.23);
    z-index: 9999 !important;
    align-items: center;
    justify-content: center;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #D50B27;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}