examples-browser/storage-app/style.css
@import url('https://fonts.googleapis.com/css?family=Droid+Sans+Mono');
@import url('https://fonts.googleapis.com/css?family=Satisfy');

* {
    box-sizing: border-box;
}

html {
    position: relative;
    height: 100%;
}

body {

    color: white;
    font-family: 'Droid Sans Mono', monospace;
    font-size: 12px;
    line-height: 1.6;

    position: absolute;
    height: 100%;
    width: 100%;

    padding: 30px;
    margin: 0;
    overflow: hidden;

    background-repeat: no-repeat;
    background-attachment: fixed;
    background: #6c6bc9;  /* fallback for old browsers */
    background: -webkit-linear-gradient(-45deg, #6a5ea5, #6c6bc9);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(140deg, #594a96, #6c6bc5); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

}

#file-drop-box {
    position: absolute;
    top: 60px;
    left: 60px;
    height: 300px;
    width: 300px;
    padding-top: 120px;
    text-align: center;
    border: 1px dotted white;
    background: rgba(255,255,255,0.1);
}
.file-drop-box-dragover {
    background: rgba(0,255,0,0.3) !important;
}