.loading-bar {
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 150px;
    height: 150px;
    background: transparent;
    border: 0px solid #3c3c3c;
    border-radius: 50%;
    text-align: center;
    line-height: 151px;
    font-family: sans-serif;
    font-size: 15px;
    color: white;
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 0 0 20px white;
    box-shadow: 0 0 20px rgba(0,0,0,.5);
}

.loading-bar:before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top: 5px solid white;
    border-right: 5px solid white;
    border-radius: 50%;
    animation: animateLoading 2s linear infinite;
}

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

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