#loading_container{
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    width: 100%;
    height: 100%;
    background-color: #000000ed;
    opacity: 1;
    z-index: 100;
    transition: opacity 0.2s;
}

.invisible_loading{
    opacity: 0 !important;
}

@keyframes spin {
    from {
        transform: rotate(0);
    }
    to{
        transform: rotate(359deg);
    }
}

.loading_container_loader {
    width: 50px;
    height: 50px;
    border: 3px solid #353535;
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin .5s linear 0s infinite;

    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}