#cover-spin {
    position: fixed;
    width: 100%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 9999;
}

@-webkit-keyframes spin {
    from {
        -webkit-transform: rotate(0deg);
    }

    to {
        -webkit-transform: rotate(360deg);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

#cover-spin::after {
    content: '';
    display: block;
    position: absolute;
    left: 48%;
    top: 40%;
    width: 40px;
    height: 40px;
    border-style: solid;
    border-color: black;
    border-top-color: transparent;
    border-width: 4px;
    border-radius: 50%;
    -webkit-animation: spin .8s linear infinite;
    animation: spin .8s linear infinite;
}

.loading-card { margin-top: 10%; display: none; margin: auto;background: white; padding: 20px; border-radius: 10px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); text-align: center; width: 350px; } 
.loading-text { font-size: 18px; font-weight: bold; } 
.loading-dots span { opacity: 0; animation: blink 1.5s infinite; } 
.loading-dots span:nth-child(1) { animation-delay: 0s; } 
.loading-dots span:nth-child(2) { animation-delay: 0.3s; } 
.loading-dots span:nth-child(3) { animation-delay: 0.6s; } 
@keyframes blink { 0% { opacity: 0; } 50% { opacity: 1; } 100% { opacity: 0; } }