.center-div {
    width: 300px;
    height: 300px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -150px;
    margin-top: -150px;
}

.spinner {
    position: fixed;
    z-index: 999999;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    background-color: rgb(0, 0, 0, 0.25);
}

.loader {
    margin: auto;
    border: 11px solid #f3f3f3;
    border-radius: 50%;
    border-top: 11px solid #15a0ec;
    border-bottom: 11px solid #15a0ec;
    width: 110px;
    height: 110px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

.inner-div {
    background-color: white;
    border-radius: 15px;
    margin: auto;
    padding: 0.85rem;
    width: fit-content;
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
    }

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

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

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