main.css

body{
    background:#eee;
}

body form{
    display: inline-block;
    position: relative;
}

.folder-tree {
    background: #eee;
    font-family: "times new roman", serif;
    line-height: 30px;
    display: inline-block;
    width: 50%;
}

.folder-tree h2 {
    color: #aaa;
    font-size: 30px;
    line-height: 40px;
    font-style: italic;
    font-weight: 200;
    margin: 40px;
    text-align: center;
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.7);
}

.folder-tree .box {
    background: #fff;
    border-radius: 2px;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
    margin: 20px 5%;
    padding: 5%;
}

@media (min-width: 544px) {
    .box {
        margin: 40px auto;
        max-width: 440px;
        padding: 40px;
    }
}


/* The list style
-------------------------------------------------------------- */

.directory-list ul {
    margin-left: 10px;
    padding-left: 20px;
    border-left: 1px dashed #ddd;
}

.directory-list li {
    list-style: none;
    color: #888;
    font-size: 17px;
    font-style: italic;
    font-weight: normal;
}

.directory-list a {
    border-bottom: 1px solid transparent;
    color: #888;
    text-decoration: none;
    transition: all 0.2s ease;
}

.directory-list a:hover {
    border-color: #eee;
    color: #000;
}

.directory-list .folder,
.directory-list .folder > a {
    color: #777;
    font-weight: bold;
}


/* The icons
-------------------------------------------------------------- */

.directory-list li:before {
    margin-right: 10px;
    content: "";
    height: 20px;
    vertical-align: middle;
    width: 20px;
    background-repeat: no-repeat;
    display: inline-block;
    /* file icon by default */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><path fill='lightgrey' d='M85.714,42.857V87.5c0,1.487-0.521,2.752-1.562,3.794c-1.042,1.041-2.308,1.562-3.795,1.562H19.643 c-1.488,0-2.753-0.521-3.794-1.562c-1.042-1.042-1.562-2.307-1.562-3.794v-75c0-1.487,0.521-2.752,1.562-3.794 c1.041-1.041,2.306-1.562,3.794-1.562H50V37.5c0,1.488,0.521,2.753,1.562,3.795s2.307,1.562,3.795,1.562H85.714z M85.546,35.714 H57.143V7.311c3.05,0.558,5.505,1.767,7.366,3.627l17.41,17.411C83.78,30.209,84.989,32.665,85.546,35.714z' /></svg>");
    background-position: center 2px;
    background-size: 60% auto;
}

.directory-list li.folder:before {
    /* folder icon if folder class is specified */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><path fill='lightblue' d='M96.429,37.5v39.286c0,3.423-1.228,6.361-3.684,8.817c-2.455,2.455-5.395,3.683-8.816,3.683H16.071 c-3.423,0-6.362-1.228-8.817-3.683c-2.456-2.456-3.683-5.395-3.683-8.817V23.214c0-3.422,1.228-6.362,3.683-8.817 c2.455-2.456,5.394-3.683,8.817-3.683h17.857c3.422,0,6.362,1.228,8.817,3.683c2.455,2.455,3.683,5.395,3.683,8.817V25h37.5 c3.422,0,6.361,1.228,8.816,3.683C95.201,31.138,96.429,34.078,96.429,37.5z' /></svg>");
    background-position: center top;
    background-size: 75% auto;
}





@import url(https://fonts.googleapis.com/css?family=Open+Sans:400);
.frame {
    position: relative;
    width: 400px;
    height: 420px;
    border-radius: 2px;
    box-shadow: 1px 2px 10px 0px rgba(0, 0, 0, 0.3);
    background: #3A92AF;
    background: linear-gradient(to top right, #3A92AF 0%, #5CA05A 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#3A92AF', endColorstr='#5CA05A',GradientType=1 );
    color: #fff;
    font-family: 'Open Sans', Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.information, .warning{
    text-align: center;
    position: relative;
}

.center {
    position: relative;
    width: 300px;
    height: 260px;
    left: 50px;
    background: #fff;
    box-shadow: 8px 10px 15px 0 rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.title {
    font-size: 16px;
    color: #676767;
    line-height: 50px;
    height: 50px;
    border-bottom: 1px solid #D8D8D8;
    text-align: center;
}

.dropzone {
    position: absolute;
    z-index: 1;
    box-sizing: border-box;
    display: table;
    table-layout: fixed;
    width: 100px;
    height: 80px;
    top: 86px;
    left: 100px;
    border: 1px dashed #A4A4A4;
    border-radius: 3px;
    text-align: center;
    overflow: hidden;
}
.dropzone.is-dragover {
    border-color: #666;
    background: #eee;
}
.dropzone .content {
    display: table-cell;
    vertical-align: middle;
}
.dropzone .upload {
    margin: 6px 0 0 2px;
}
.dropzone .filename {
    display: block;
    color: #676767;
    font-size: 14px;
    line-height: 18px;
}
.dropzone .input {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
}

.upload-btn {
    position: absolute;
    width: 140px;
    height: 40px;
    left: 80px;
    bottom: 24px;
    background: #6ECE3B;
    border-radius: 3px;
    text-align: center;
    line-height: 40px;
    font-size: 14px;
    box-shadow: 0 2px 0 0 #498C25;
    cursor: pointer;
    transition: all .2s ease-in-out;
}
.upload-btn:hover {
    box-shadow: 0 2px 0 0 #498C25, 0 2px 10px 0 #6ECE3B;
}

.bar {
    position: absolute;
    z-index: 1;
    width: 300px;
    height: 3px;
    top: 49px;
    left: 0;
    background: #6ECE3B;
    transition: all 3s ease-out;
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;
}
.bar.active {
    -webkit-transform: scaleX(1) translate3d(0, 0, 0);
    transform: scaleX(1) translate3d(0, 0, 0);
}

.syncing {
    position: absolute;
    top: 109px;
    left: 134px;
    opacity: 0;
}
.syncing.active {
    -webkit-animation: syncing 3.2s ease-in-out;
    animation: syncing 3.2s ease-in-out;
}

.done {
    position: absolute;
    top: 112px;
    left: 132px;
    opacity: 0;
}
.done.active {
    -webkit-animation: done .5s ease-in 3.2s;
    animation: done .5s ease-in 3.2s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

@-webkit-keyframes syncing {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
        opacity: 0;
    }
}

@keyframes syncing {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
        opacity: 0;
    }
}
@-webkit-keyframes done {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}
@keyframes done {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.success{
    text-align: center;
    font-family: 'Open Sans', Helvetica, sans-serif;
}

.error{
    text-align: center;
    color: red;
    font-family: 'Open Sans', Helvetica, sans-serif;
}

.shortcut{
    position: relative;
}



.shortcut h2 {
    font: 400 40px/1.5 Helvetica, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

.shortcut ul {
    margin: 0;
    padding: 0;
    background: #333;
    list-style: none;
    border-radius: 0 0 10px 0;
    box-shadow: 0 0 8px rgba(0,0,0,0.6);
    width: -moz-fit-content;
}

.shortcut li {
    font: 200 20px/1.5 Helvetica, Verdana, sans-serif;
    border-bottom: 1px solid #ccc;
}

.shortcut li:last-child {
    border: none;
}

.shortcut li a {
    text-decoration: none;
    width: 200px;
    -webkit-transition: font-size 0.3s ease, background-color 0.3s ease;
    -moz-transition: font-size 0.3s ease, background-color 0.3s ease;
    -o-transition: font-size 0.3s ease, background-color 0.3s ease;
    -ms-transition: font-size 0.3s ease, background-color 0.3s ease;
    transition: font-size 0.3s ease, background-color 0.3s ease;
    padding: 10px 10px;
    color: #fff;
    display: list-item;
}