.loader {
    border: 7px solid #f3f3f3;
    border-radius: 50%;
    border-top: 6px solid #979797;
    width: 35px;
    height: 35px;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite;
    background: transparent;

    position: fixed;
    top: 20%;
    left: 50%;
    text-align: center;
}

.loader-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: transparent;
    z-index: 1000;
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}