.BWS_Wrapper div.stage {
}

.BWS_Wrapper div.header {
    float: left;
    width: 90%;
    font: 16px Arial, Helvetica, sans-serif;
    font-weight: bold;
    text-align: center;
}

.BWS_Wrapper div.exit { 
    float: right; 
    height: 16px; 
    width: 16px;
    font-size: 0px;
    cursor: pointer;
    margin:5px;
    background: url('/National_Library/20160521004321oe_/http://education.wolfram.com/common/images/TBcloseButton_sm.gif');
}

.BWS_Wrapper div.left {
    float: left;
    text-align: left;
    cursor: pointer;
}

.BWS_Wrapper div.right {
    float: right;
    text-align: right;
    cursor: pointer;
}

.BWS_Wrapper div.content {
    clear: both;
}

.BWS_Wrapper div.caption {
    font-size: 20px;
    color: #777;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

.BWS_Wrapper div.footer {
    clear: both;
}

.BWS_Wrapper.loading .stage {
    display: none;
}

.BWS_Wrapper.loading .shadow {
    background-image: url('ajax-loader.gif');
    background-repeat: no-repeat;
    background-position: 50% 50%;
}

.content iframe {
    border: none;
}