.spinnerSA {
    background-image: url("../images/loading.gif");
    width: 100%;
    height: 250px;
    background-repeat: no-repeat;
    background-size: 250px 250px;
    background-position: center;
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
}

.spinnerSAModal {
    background-color: #000;
    width: 100%;
    height: 100%;
    opacity: .6;
    z-index: 2010;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}