html, body { font-size: 1em; }
body {
    background-image: url(../../images/people_hands_concert_music_crowd_80452_1920x1080.jpg);
    background-attachment: fixed;
    background-position: center;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    z-index: 0;
}
.card, .jumbotron {
    -webkit-box-shadow: 5px 5px 50px 1px #000000;
    box-shadow: 5px 5px 50px 1px #000000;
    background-color: #fff;
    background-color: rgba(255, 255, 255, 0.9);
}
.row.loader {
    position: fixed;
    bottom: 0px;
    color: #fff;
    font-size: 1.2em;
}
.navbar {
    -webkit-box-shadow: 5px 5px 50px 1px #000000;
    box-shadow: 5px 5px 50px 1px #000000;
}
.alert { z-index: 1100; }
.file-drop-zone {
    background-color: lightgray;
    border: 2px dashed gray;
    padding: 3px;
    color: white;
    font-style: italic;
    text-align: center;
}
.bold { font-weight: bold; }
.nowrap { white-space: nowrap; }