.loader{
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.8);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: #333;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
}

.loader-hidden{
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.loader::after{
    content: "";
    border: 4px solid rgb(192, 9, 9);
    border-top: 4px solid #f3f3f3;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from{
        transform: rotate(0turn);
    }
    to{
        transform: rotate(1turn);
    }
}