.modal {
    display: none;
    top: 10%;
    margin: 0 0 0 -280px;
    overflow: hidden;
}

.wide-modal {
    width: 800px;
    margin: 0 0 0 -400px;
}

.modal .modal-header h3 {
    display: inline-block;
}

.modal.loading .modal-header .loader {
    height: 36px;
    width: 16px;
    
    margin-right: 10px;
    
    display: block;
    float: left;
    background: no-repeat scroll url('./images/ajax-loader.gif') center center;
}