.actualizando_principal {
    background-color: rgba(51, 51, 51, 0.5);
    width: 100%;
    top: 0px;
    left: 0px;
    position: fixed;
    height: 100%;
    z-index: 9998;
}

.actualizando {
    margin: auto;
    font-size: medium;
    vertical-align: middle;
    position: fixed;
    left: 50%;
    top: 50%;
    margin-left: -100px;
    margin-top: -100px;
    text-align: center;
    background-color: #ffffff;
    height: 228px;
    width: 248px;
    -webkit-border-radius: 10px 10px 10px 10px;
    border-radius: 10px 10px 10px 10px;
    z-index: 9999;
}

.actualizando img {
    width: 32px;
    height: 32px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 32px;
}