.spinner-background {
    align-items: center;
    justify-content: center;
    display: inline-flex;
    text-align: center;
    left: 0;
    top: 0;
    position: absolute;
    user-select: none;
    vertical-align: middle;
    height: 100%;
    width: 100%;
}
.spinner-inner{
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
}