.div-initial-spinner {
    margin:auto;
    background:#01468F;
    height: 100%;
}

.initial-spinner { 
    height:50px;
    width:50px;
    animation:rotate .8s infinite linear;
    border:8px solid #fff;
    border-right-color:transparent;
    border-radius:50%;
    top: 50%;
    left: 50%;
    position: absolute;
}

@keyframes rotate{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}