html {
    height: 100%;
}

body {
    background-color: #abb6c7;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#loading {
    border: 16px solid #ffffff;
    border-top: 16px solid #263869;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 1s cubic-bezier(.42, 0, 1, 1) infinite;
}

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

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