#wrapper {
    width: 100vw;
    height: 95vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#loading {
    border: 6px solid #f0f0f0;
    border-radius: 50%;
    border-top: 6px solid #469be5;
    width: 40px;
    height: 40px;
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(60deg);
    }
    50% {
        transform: rotate(120deg);
    }
    75% {
        transform: rotate(180deg);
    }
    100% {
        transform: rotate(360deg);
    }
}