.modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: #000;
    background-color: rgba(0,0,0,.4)
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%
}

.close {
    float: left;
    font-size: 35px;
    font-weight: bold
}

    .close:hover, .close:focus {
        color: #000;
        text-decoration: none;
        cursor: pointer
    }

#MainSpinner {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: #000;
    background-color: rgba(0,0,0,.4)
}

    #MainSpinner img {
        position: fixed;
        top: 50%;
        left: 50%
    }