#dropzone {
    background: white;
    width: 100%;
    min-height: 100px;
    line-height: 50px;
    text-align: center;
    font-weight: bold;
    border: 2px dashed rgb(35,132,208);
    border-radius: 5px;
}
#dropzone.in {
    width: 100%;
    height: 300px;
    line-height: 200px;
    font-size: larger;
}
#dropzone.hover {
    border: 2px solid;
}
#dropzone.fade {
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
    opacity: 1;
}