body {
    margin: 0;
    font-family: 'Open Sans', sans-serif;
}

.buttonbar {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.buttonbar > div {
    background: #69798a;
    color: white;
    cursor: pointer;
    display: inline-block;
    height: 22px;
    padding: 0px 5px 0;
}

.buttonbar .tab-active {
    background: white;
    border: 1px solid #3e8ddd;
    border-bottom: 0;
    color: #1976d4;
    padding-top: 0px;
}

.display-hidden {
    display: none;
}

#file-bar {
    height: 20px;
}

#open-link {
    float: right;
    margin: 4px 10px;
}

a,
a:visited {
    color: #00f;
    text-decoration: none;
}

iframe {
    border: 0;
}