.abp-block-area.abp-block-area-busy:before {
    content: "";
    display: block;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border-width: 9px;
    border-style: solid;
    border-color: transparent #228ae6 #228ae6 #228ae6;
    position: absolute;
    top: calc(50% - 75px);
    left: calc(50% - 75px);
    will-change: transform;
    animation: spin .75s infinite ease-in-out;
}


.page-header.page-header-modern.page-header-lg {
    padding: 10px;
}