body {
}

.loading-fade {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    transition: opacity 0.2s;
    z-index: 9999;
}

.spinner {
    border: 0.2rem solid silver;
    border-top: 0.2rem solid #337AB7;
    border-radius: 50%;
    width: 1.5rem;
    height: 1.5rem;
    animation: spin 700ms linear infinite;
    top: 40%;
    left: 50%;
    position: absolute;
}

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

    100% {
        transform: rotate(360deg)
    }
}