div,
:after,
:before {
    box-sizing: border-box;
}

.backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: linear-gradient(90deg, #bde0ff, #4c94cf)
}

.spinner {
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -85px 0 0 -85px;
    width: 170px;
    height: 170px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 100%;

    &:before {
        content: '';
        background: #d0e0fb;
        width: 110%;
        height: 110%;
        position: absolute;
        border-radius: 100%;
        box-shadow: rgb(0 0 0 / 50%) -4px -2px 4px -1px;
        animation: rotate 2s infinite linear;
    }

    &:after {
        content: '';
        width: calc(100% - -2px);
        height: calc(100% - -2px);
        position: absolute;
        border-radius: 100%;
        border: 9px solid #3f63af;
        background: #f3f3f3;
    }
}


.logo {
    margin-top: -1px;
    position: absolute;
    background-size: 111px;
    width: 121px;
    z-index: 1;
    height: 42px;
}

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

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