body,
html {
    height: 100%;
    margin: 0;
    padding: 0;
    background: black;
}

.loading {
    background: black;
    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: 10px solid black;
    border-radius: 50%;
    border: 15px solid;
    border-top: 10px solid orange;
    border-right: 10px solid black;
    border-bottom: 10px solid orange;
    border-left: 10px solid black;
    width: 165px;
    height: 165px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s 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);
    }
}