.loader_ab_head {
/*    background: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;*/
    z-index: 999999;
    height: 100%;
    width: 100%;
    position: absolute;
    backdrop-filter: blur(3px);
}

.loader_ab {
    height: 200px;
    width: 200px;
    position: absolute;
    top: calc(50% - 100px);
    left: calc(50% - 100px);
    border-radius: 100%;
    overflow: hidden;
    background: #ffffff90;
    animation: heartbeat 1.2s infinite;
    -webkit-animation: heartbeat 1.2s infinite;
}


@keyframes heartbeat {
    0% {
        transform: scale(1);
    }

    14% {
        transform: scale(1.2);
    }

    28% {
        transform: scale(1);
    }

    42% {
        transform: scale(1.2);
    }

    70% {
        transform: scale(1);
    }

    100% {
        transform: scale(1);
    }
}