.loader {
    justify-content: center;align-items: center;width: 100%;
}

.loader .lds-dual-ring {
    width: 64px;
    height: 64px;
}

.loader .lds-dual-ring:after {
    content: " ";
    display: block;
    width: 46px;
    height: 46px;
    margin: 1px;
    border-radius: 50%;
    border: 5px solid #004a8c;
    border-color: #004a8c transparent #004a8c transparent;
    animation: lds-dual-ring 1.2s linear infinite;
}

@keyframes lds-dual-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}