#loading-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5000;
    background: rgb(0 0 0 / 12%);
    display: flex;
    align-items: center;
    justify-content: center;
}
#loading-wrapper .spinner-border {
    width: 5rem;
    height: 5rem;
    color: #2196f3;
}
.spinner-border {
    display: inline-block;
    vertical-align: text-bottom;
    border: .25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    -webkit-animation: spinner-border .75s linear infinite;
    animation: spinner-border .75s linear infinite;
}
@-webkit-keyframes spinner-border {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes spinner-border {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}