.ac_spinner {
    position: fixed;
    top: 40%;
    left: 33%;
    margin-left: -50px; /* half width of the spinner gif */
    margin-top: -50px; /* half height of the spinner gif */
    text-align:center;
    z-index:1234;
    overflow: auto;
    width: 500px; /* width of the spinner gif */
    height: 152px; /*hight of the spinner gif +2px to fix IE8 issue */
    opacity: 50;
    font-size: 16px;
    background-color: #535151;
    -moz-border-radius: 15px;
    border-radius: 15px;
    color: white;
    padding-top: 2em;
}

.ac_page_login .acc_error {
    position: absolute;
    width: 410px;
    max-width: calc(100% - 15px);
    left: 50%;
    -webkit-transform: translateY(-120%) translateX(-50%);
            transform: translateY(-120%) translateX(-50%);

}

.acc_error, .acc_success, .acc_msg{
    clear: both;
    left: 0;
    right: 0;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 5px 10px 0px rgba(0, 0, 0, 0.5);
    max-width: 950px;
    margin: 0 auto;
    z-Index: 1000;
    transition: top 0.5s ease;
}

#ac-img-spinner{
    -moz-border-radius: 15px;
    border-radius: 15px;
}