.loading {
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0;
        position: absolute;
        top: 50%;
        left: 50%;
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
    }

    .loader {
        border: 6px solid #000000;
        border-radius: 50%;
        border-left: 6px solid white;
        width: 40px;
        height: 40px;
        -webkit-animation: spin 1s linear infinite;
        animation: spin 1s linear infinite;
    }

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

        100% {
            -webkit-transform: rotate(360deg);
        }
    }

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

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