.dropzone {
    width: 100%;
    height: 100%;
    border: 2px dashed #ccc;
    line-height: 300px;
    text-align: center;
}

.dropzone.dragover {
    border-color: #000;
    color: #000;
}

.dropzone2 {
    width: 100%;
    height: 100%;
    border: 2px dashed #ccc;
    line-height: 300px;
    text-align: center;
}

.dropzone2.dragover2 {
    border-color: #000;
    color: #000;
}