.dropzone-wrapper {
    border: 2px dashed #91b0b3;
    color: #92b0b3;
    position: relative;
    height: 150px;
}

.dropzone-desc {
    position: absolute;
    margin: 0 auto;
    left: 0;
    right: 0;
    text-align: center;
    width: 40%;
    top: 50px;
    font-size: 16px;
}

.dropzone,
.dropzone:focus {
    position: absolute;
    outline: none !important;
    width: 100%;
    height: 150px;
    cursor: pointer;
    opacity: 0;
}

.dropzone-wrapper:hover,
.dropzone-wrapper.dragover {
    background: #ecf0f5;
}