#loading-screen {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    z-index: -1; /* Initially behind */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-direction: column;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(0, 0, 0, 0.2);
    border-top-color: #c30010;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg); /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(0deg); /* IE 9 */
        transform: rotate(0deg); /* Firefox 16+, IE 10+, Opera */
    }

    100% {
        -webkit-transform: rotate(360deg); /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(360deg); /* IE 9 */
        transform: rotate(360deg); /* Firefox 16+, IE 10+, Opera */
    }
}

@keyframes spin {
    0% {
        -webkit-transform: rotate(0deg); /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(0deg); /* IE 9 */
        transform: rotate(0deg); /* Firefox 16+, IE 10+, Opera */
    }

    100% {
        -webkit-transform: rotate(360deg); /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(360deg); /* IE 9 */
        transform: rotate(360deg); /* Firefox 16+, IE 10+, Opera */
    }
}

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

    100% {
        transform: rotate(360deg);
    }
}
*/