.loder_ {
    border: 3px solid #eee;
    border-radius: 50%;
    border-top: 3px solid #243782;
    border-bottom: 3px solid #243782;
    width: 40px;
    height: 40px;
    z-index: 200;
    position: absolute;
    top: 50%;
    left: 47%;
    -webkit-animation: spin 1s linear infinite; /* Safari */
    animation: spin 1s linear infinite;
}

.loder_.loder2 {
    top: 250px;
}

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

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




.loader {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: fixed;
    display: block;
    background-color: rgba(0,0,0,0.5);
    z-index: 199;
    text-align: center;
}